Explain what happens to the particles in a substance during a physical change.
Explain your answer.
Answers
Answer:
During Physical Change there would be a re-arrangements of atoms or molecules, changes of the arrangement may be change in the distance between atoms or molecules, change in the crystal form, .....etc
Explanation:
A physical change is any change not involving a change in the substance's chemical identity. Matter undergoes chemical change when the composition of the substances changes: one or more substances combine or break up (as in a relationship) to form new substances.Physical changes occur when objects undergo a change that does not change their chemical nature. A physical change involves a change in physical properties. Physical properties can be observed without changing the type of matter. Examples of physical properties include: texture, shape, size, color, odor, volume, mass, weight, and density.
Related Questions
What is an ecosystem? Group of answer choices An ecosystem is all different populations of animals in an area. An ecosystem is a community of plants and animals and their physical surroundings. An ecosystem is a single example of a particular species of plant or animal. An ecosystem is all the organisms of a particular kind of species and their surroundings.
Answers
Answer: An ecosystem is a community of plants and animals and their physical surroundings
Explanation: An ecosystem is a geographic area where plants, animals, and other organisms as well as weather and landscape work together to form a bubble of life. Ecosystems contain biotic and abiotic factors both. Biotic factors include plants, animals, and other organism
Answer: An ecosystem is a community of plants and animals and their physical surroundings.
Explanation: Ecosystem plays an essential role for the existence of living organisms in the planet Earth. A balanced ecosystem is attained as a result of various reasons it includes the live ratio of diverse varieties of organisms in a particular ecosystem, necessary physical, biological, and chemical conditions that promotes the living of organisms, and the balanced atmosphere attained as the result of temperature, wind, and humidity.
As all the above mentioned properties are necessary for maintaining a sustainable ecosystem, it is clearly understood that an ecosystem is a community of plants and animals and their physical surroundings.
Which of the following forces has not changed Earth's surface?
folding
erosion
weathering
gravity
Answers
Answer:Gravity is the force among the options listed that has not directly changed Earth's surface.
Explanation:
Gravity is a fundamental force that acts on all objects with mass, including the Earth itself, but it does not cause changes or modifications to the Earth's surface features. Instead, gravity influences the movement of materials and the shape of the Earth's surface by exerting a pulling force on objects. On the other hand, folding, erosion, and weathering are all processes that directly contribute to shaping
The mass of the boy is 35kg. What is the force of friction that slowed him down?
Answers
Answer:
5kg
Explanation:
tagt is the answer
A Subtle Relationship
Consider the following facts:
•A charged glass marble suspended from a string will not be attracted by a magnet held next to it.
•The needle of a magnetic compass will still point in the same direction if an electrically charged balloon is held next to it.
What do these observations suggest?
Answers
Answer:
i really wish i can help
Explanation:
but we are not all einsteins
Seymour's toy cart was sitting flat on the floor. Seymour started throwing his toys into it.
The cart started to roll away from Seymour.
What made the cart start to move?
Answers
Answer:
the answer is A
Explanation:
The cart is moving because of the force from the toys hitting it
A magnifying glass uses a convex lens of focal length 5.25 cm. When it is held 5.00 cm in front of an object, what magnification does it create? pls help
Answers
Answer:
21
Explanation:
PLEASE HELP I DONT UNDERSTAND THIS!
Answers
Answer:
B
Explanation:
The Moon revolves once around Earth about every 28 days. How many times will the Moon complete all of its phases during one revolution around the Earth?
Answers
Answer:
it is 27.3
Explanation:
Answer: Once
Explanation:
The Moon will complete all of its phases during one revolution around the Earth
30 PTS (pls be hurry and decent and correct im trying to finish all my stuff rn)
Answers
Explanation:
1. The reflected light produces a mirror image.
2.Black objects absorb all colours so no light is reflected.
3.Blue + Yellow the color green.
5.Red, green, and blue are often defined as the primary colors of light: they can be combined in different proportions to make almost all other colors.
6.To bend or turn back; be reflected.
7.Chlorophyll is a pigment that gives plants their green color.
8.When the red and green lights mix, colour is yellow.
9.White objects appear white because they reflect all colours. Black objects absorb all colours so no light is reflected.
10.The primary colors of pigment are cyan, magenta, and yellow, which can be mixed to make many other colors.
I hope it will help you....
And You have good day..
ANSWER 1)color 2)black 3)green 4)absorb 5)red, blue, yellow 6)reflect 7)pigment 8)yellow 9)white 10)red, green, blue
Explanation:
Lab Report
Motion and Forces
It’s time to complete your Lab Report. Save the lab to your computer with the correct unit number, lab name, and your name at the end of the file name (e.g., U4_ Lab_MotionAndForces_Alice_Jones.doc).
Introduction
What was the purpose purpose of the experiment?
The purpose of the experiment is to test the hypothesis.
What were the independent, dependent, and control variables in your investigation? Describe the variables for each part of the experiment.
Write a hypothesis based on observations and scientific principles.
Type your answer here:
Experimental Methods
What tools did you use to collect your data?
Questionnaires and observations.
Write your procedure. List each step so that another student could follow the procedure and repeat your experiment.
Type your answer here:
Data and Observations
Record your observations.
Type your answer here:
Conclusions
What conclusions can you draw about how the sum of forces acting on an object affect its motion? Write an evidence-based claim.
Type your answer here:
Which mass, A, B, or C, was the greatest? Use the observations from your experiment and your knowledge of Newton’s laws of motion to write an evidence-based claim.
Type your answer here:
Make a model that shows the forces acting on two blocks on a flat, frictionless surface:
A 1 N block at rest
A 1 N block with 2 N of force applied in one horizontal direction
Include arrows to represent the forces and labels to indicate the magnitude of each force. Use your model to compare and explain the motion of each block.
Type your answer here:
Answers
Answer's C
Explanation: The matter that surrounding this whole planet or time and frequencies the motion and forces that people can't determine unless made a hypothesis
The instruments carried by a spacecraft are called the
A) cargo
B) orbit
C) payload
D) camera
plsss help me if answer is correct i will award brainliest and add as friend
Answers
Answer:
A. Cargo
Explanation:
I know my phisics
Write a report on waves. Some questions you might consider are: What makes a wave? Why are some waves small and some large? How are waves classified? Are there different kinds of waves? What happens when a wave meets the shore? Where in the world do you find the best waves for surfing?
Answers
Answer:
The waves have energy that wave back and forth because the waves are never still, they are always moving. There are different types of waves because sometimes (like a tsunami) the waves are affected by other things like the earth plates. Portugal is one of the best places to surf because they have waves that can reach up to 6 to 15 feet high!
Explanation:
Please help.
I need to explain the electromagnetic spectrum to fifth graders.
Answers
Answer:
Explanation:
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.
The electromagnetic spectrum covers electromagnetic waves with frequencies ranging from below one hertz to above 1025 hertz, corresponding to wavelengths from thousands of kilometers down to a fraction of the size of an atomic nucleus. This frequency range is divided into separate bands, and the electromagnetic waves within each frequency band are called by different names; beginning at the low frequency (long wavelength) end of the spectrum these are: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays at the high-frequency (short wavelength) end. The electromagnetic waves in each of these bands have different characteristics, such as how they are produced, how they interact with matter, and their practical applications. There is no known limit for long and short wavelengths. Extreme ultraviolet, soft X-rays, hard X-rays and gamma rays are classified as ionizing radiation because their photons have enough energy to ionize atoms, causing chemical reactions. Exposure to ionizing radiation can be a health hazard, causing radiation sickness, DNA damage and cancer. Radiation of visible light and longer wavelengths are classified as nonionizing radiation because they have insufficient energy to cause these effects.
Throughout most of the electromagnetic spectrum, spectroscopy can be used to separate waves of different frequencies, producing a spectrum of the constituent frequencies. Spectroscopy is used to study the interactions of electromagnetic waves with matter.[4]
Here are a few examples of the types of energy found in the electromagnetic spectrum:
Radio Waves - Radio waves are the longest type of energy in the electromagnetic spectrum. They are used to send signals for things like TV and radio shows.
Microwaves - Microwaves are shorter than radio waves and are used for things like cooking food in a microwave oven and sending signals for cell phones.
Infrared - Infrared is the type of energy that makes you feel warm when you are in the sun. It's also used to control your TV remote.
Visible Light - This is the type of energy that you can see! It includes all the colors of the rainbow - red, orange, yellow, green, blue, indigo, and violet.
Ultraviolet - Ultraviolet is the type of energy that makes your skin tan. It's also what makes a black light glow.
X-rays - X-rays are a type of energy that can go through your skin and show what's inside your body. Doctors use x-rays to see broken bones.
Gamma Rays - Gamma rays are the shortest type of energy in the electromagnetic spectrum. They are very powerful and are used in medicine to treat cancer.
So, that's the electromagnetic spectrum in a nutshell! It's a range of different types of energy that we use every day in many different ways.
please help me with these two questions... thanks
Answers
20) B because heating it transfers thermal energy and passing a current transfers electrical energy. I think that shining a light for long enough may heat the block up so it could be D but I’m not sure if that’s what it’s asking
pleeaseeee helllp A geologist finds a large rock containing a fern fossil. This kind of fern grew on land in hot, moist climates.
What does this tell the geologist about the area at the time the rock was formed?
The area was covered by an ocean.
The area was muddy and wet.
The area was hot and tropical.
The area was snowy and cold.
Answers
Answer: The area was hot and tropical.
Explanation:
What causes lightning?
1. permanent charge between two objects
2. neutrons moving between objects
3. a sonic shock wave moving through the air
4. the discharge of built-up static electricity
Answers
How does the agricultural activity most likely affect the surface water of the area?
Answers
Answer:
Agriculture has been the cause of significant modification of landscapes throughout the world. Tillage of land changes the infiltration and runoff characteristics of the land surface, which affects recharge to ground water, delivery of water and sediment to surface-water bodies, and evapotranspiration.
Explanation:
The table provided shows data collected during an experiment:
Which of the following claims is supported by the data?
A: Gravitational Forces are proportional to the masses of the two objects
B: Gravitational Forces are strongest between objects with identical masses
C: Gravitational Forces are weakest when one object is more massive than the other
D: Gravitational Forces can never exceed an upper limit, regardless of masses
Answers
As per the given table, Gravitational Forces are proportional to the masses of the two objects. The correct option is A.
Because the gravitational forces are not always the strongest between objects of the same mass, the evidence does not support assertion B.
Since the gravitational forces do not always correlate with one item being more massive than the other, the data does not strongly support argument C either. For instance, despite having two distinct masses, the first entry has a higher force.
The facts also do not support Claim D since there are circumstances in which the gravitational force surpasses predetermined upper bounds.
As gravitational forces typically increase with object mass, Claim A is the one that best fits the evidence.
Thus, the correct option is A.
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How are dunes and deltas alike?
A) Both are formed in part by sand.
B) Both are large and flat.
C) Both involve glaciers.
D) Both form at the mouths of rivers.
(I don't know what science category it goes into--sorry!)
Answers
(and the category of science is geography)
What device was invented because of Faraday’s leap?
Answers
Hope this helps.
Please mark as brainliest.........
ason lives near a state park, and he likes hiking through the grassy trails that lead to a nearby lake. He appreciates nature and the surrounding components making up the ecosystem.
Jason knows humans rely on ecosystems and their cycling of matter and energy. Read each ecosystem service example below and identify the type of ecosystem service for each.
___
natural resources
____
plants and animals
____
water cycle and nutrients
____
recreational services
1.
cultural services
2.
regulating services
3.
provisioning services
4.
supporting services
Answers
Answer:
This was not helpful at all i dont likle you ur not invited to my birthday party it was a sleepover too!
Explanation:
I dont want to pay for premium. give me answers for free
What does your body use to replace tissues and organs?
Answers
Answer:
the body produces stem cells
Explanation:
A crowbar with the length of 200 cm is used to lift the load of 600 Newton . If the distance between fulcrum and load is 0.75 . Calculate Effort , Mechanical advantage and Velocity ratio
Answers
Answer:
a. Effort = 960 Newton
b. Mechanical advantage (M.A) = 0.625
c. Velocity ratio (V.R) = 1.67
Explanation:
Given the following data;
Load = 600 N
Length of crowbar = 200 cm
Length of load arm = 0.75 m
Conversion:
100 cm = 1 m
X cm = 0.75 m
Cross-multiplying, we have;
X = 0.75 * 100 = 75 cm
First of all, we would find the effort arm;
Effort arm = length of crow bar - length of load arm
Effort arm = 200 - 75
Effort arm = 125 cm
Next, we would determine the mechanical advantage (M.A) of the crow bar;
Substituting the values into the formula, we have;
M.A = 0.625
To find the effort of the crow bar;
Making "effort" the subject of formula, we have;
Effort = 960 Newton
Lastly, we would determine the velocity ratio (V.R);
V.R = 1.67
Answer:a. Effort = 960 Newton
b. Mechanical advantage (M.A) = 0.625
c. Velocity ratio (V.R) = 1.67
Explanation:
Recall that if the colliding objects have hard surfaces, the collision is elastic. Based on this description, which bumper design is more likely to result in an elastic collision? Predict how this bumper design will change the force that car 2 experiences during the collision.
Answers
Answer: it going to be car 2
Explanation:
because they have a bumper and the bumper weigh more
Tanya planted seedlings in her garden over the weekend. The instructions that came with the seedlings stated that they need to be planted 0.2 meters apart. Tanya has a measuring tape that has values in centimeters. Help Tanya convert meters to centimeters.
Determine the ratio to use: .
Tanya should plant the saplings 20 centimeters apart.
1 meter is equal to 100 centimeters.
Multiply the given value by the ratio: .
Answers
Answer:
Explanation:
1 meter = 100 cm
1 cm = 10 mm
Then,
0.2 m * 100 cm / 1 m = 20 cm
This does not seem like a physics question ??
A pin hole camera works on the principle that_________________________________.
Answers
Answer:
RECTILINEAR LIGHT THEORY
Explanation:
Pinhole cameras rely on light traveling in straight lines – a principle called the rectilinear light theory. That makes the camera's picture appear upside-down.
HOPE IT HELPS.
PLEASE MARK ME AS BRAINLIEST.
Answer:
rectilinear light theory
What is the wavelength of a sound with the frequency set to min?
Answers
Answer:
17.8
Explanation:
between adjacent identical parts of a wave
What is the formula of acceleration?
Answers
Explore the intricacies and conceptual challenges of the Holographic Principle in the context of the AdS/CFT correspondence. Investigate the fundamental ideas behind the holographic duality proposed by Juan Maldacena, which suggests an equivalence between a higher-dimensional gravitational theory and a lower-dimensional quantum field theory. Analyze the mathematical foundations and implications of this principle, including the idea that all the information contained within a region of space can be encoded on its boundary. Assess the potential revolutionary impact of the Holographic Principle on our understanding of quantum gravity, black holes, and the nature of spacetime itself.
Answers
Answer:
The Holographic Principle, proposed by physicist Gerard 't Hooft and further developed by Juan Maldacena, is a fascinating concept in theoretical physics that has sparked significant interest and research. In the context of the AdS/CFT correspondence, it suggests that a gravitational theory in a higher-dimensional space can be mathematically equivalent to a quantum field theory in a lower-dimensional space.
At the heart of the Holographic Principle is the idea that the information and dynamics of a higher-dimensional theory can be fully captured by its boundary, implying that the entire bulk can be "holographically" encoded on the boundary. This concept challenges our conventional understanding of the relationship between space, gravity, and quantum mechanics.
The holographic duality proposed by Maldacena specifically relates a gravitational theory in Anti-de Sitter space (AdS) with a conformal field theory (CFT) in one fewer dimension. In this correspondence, the gravitational theory describes a curved space-time with gravity, while the CFT is a quantum field theory without gravity but living on the boundary of the AdS space. The holographic duality suggests that the two theories are mathematically equivalent and provide equivalent descriptions of the same physical phenomena.
The mathematical foundations of the AdS/CFT correspondence involve advanced concepts from string theory and quantum field theory. String theory postulates that fundamental particles are not point-like entities but rather tiny vibrating strings. By considering these strings propagating in a higher-dimensional space, theorists discovered that they naturally give rise to gravity. The holographic duality emerged as a surprising consequence of studying string theory in the AdS space.
The implications of the Holographic Principle are profound. First and foremost, it suggests a deep connection between gravity and quantum mechanics, two fundamental pillars of modern physics that have been notoriously difficult to reconcile. The holographic duality provides a framework to study strongly interacting quantum systems in terms of gravity, enabling insights into the nature of black holes, the behavior of matter in extreme conditions, and other phenomena that are challenging to analyze using traditional methods.
The Holographic Principle also has potential implications for our understanding of black holes. It proposes that the information that falls into a black hole is not destroyed, as suggested by the Hawking radiation phenomenon, but rather encoded on its event horizon. This idea, known as the "holographic encoding of information," has stirred intense debates and ongoing research in the field of black hole information paradox.
Furthermore, the Holographic Principle challenges our traditional notions of spacetime. It suggests that spacetime, as we perceive it, might emerge as an approximation or an emergent property from a more fundamental description involving quantum information. This notion aligns with the concept of "entanglement entropy," which measures the entanglement between quantum states and has been linked to the geometry of spacetime.
The potential revolutionary impact of the Holographic Principle lies in its potential to provide a unified framework for understanding quantum gravity and resolving long-standing mysteries in theoretical physics. It opens new avenues for studying the nature of black holes, the behavior of matter in extreme conditions, and the fundamental structure of the universe. However, it is important to note that the Holographic Principle is still an area of active research, and many aspects of its implications and applications continue to be explored and refined by physicists.
Which of the following statements is correct with regard to convection currents?
A. Convection currents in magma are caused by color differences.
B. Convection currents in magma drive the movement of tectonic plates.
C. Convection currents in magma are a result of how the magma is formed.
D. Convection currents in magma play a role in the movement of Earth's inner core.
Answers
Answer:
A.convection currents in magma are caused by color differences
The thermal conduction we find that the correct answer is:
a) Convection currents in magma are caused by hot differences.
Thermal conduction occurs in three ways
Conduction. When two material are in thermal contact with different temperatures, energy flows from the hottest material to the coldest, in this there is no material movement Radiation. Due to the absorption of radiant energy between bodies with different temperatures, it does not need physical contact, which is why it is the form of transmission in a vacuum. Convention. This occurs when a mass of liquid or gas is in contact with another colder mass and the material of the hotter mass moves upward in the cold mass, this form of heat transfer includes the movement of material, it is very important in liquid and gases.
The magna of volcanoes is a quantity of matter in a liquid or plastic state due to the thermal energy of the interior of the earth, when this mass reaches a colder and fissured area, it can rise towards the coldest part, breaking and deritating. the materials in its path.
Let's annotate the different statements
a) True. According to the explanation, the temperature of the magna causes it to rise due to convection currents.
b) False. The cracks are those that help the convection currents, in general the movement of the plates creates cracks
c) False. The movement of the plates is independent of the convection of the magna which is approximately vertical
d) False. The core of the planet is very deep (> 4000 km) and the magna currents reach about 14 to 20 km
In conclusion using the forms of thermal conduction we find that the correct answer is:
a) Convection currents in magma are caused by hot differences.
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