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Physical properties
Changing matter
Challenging
Challenging
100

What is texture?

A) The color of an object

B) How something feels (e.g., smooth or rough)

C) The size of an object

D) The weight of an object

B) How something feels (e.g., smooth or rough)

100

What happens when you cut paper?

  • A) It changes color
  • B) It changes shape but not material
  • C) It becomes a liquid
  • D) It disappears

Correct Answer: B) It changes shape but not material

100

When cutting paper, which of the following best describes the change in physical properties?

  • A) The chemical composition of the paper changes.
  • B) The mass of the paper increases due to cutting.
  • C) The shape is altered, but the material remains the same.
  • D) The texture becomes smoother only.

Correct Answer: C) The shape is altered, but the material remains the same.

100

Which of the following best describes the concept of texture in materials?

  • A) The temperature at which a material changes state
  • B) The visual appearance of a surface
  • C) The tactile quality that can be felt by touch
  • D) The amount of space an object occupies

Correct Answer: C) The tactile quality that can be felt by touch

200

What does flexibility mean?

  • A) The ability to stay still
  • B) The ability to bend without breaking
  • C) The ability to break easily
  • D) The ability to change color
  • B) The ability to bend without breaking
200

What is melting?

  • A) The process of a solid turning into a liquid when heated
  • B) The process of freezing a liquid
  • C) The process of cutting an object
  • D) The process of mixing two solids

Correct Answer: A) The process of a solid turning into a liquid when heated

200

During the melting process, which statement is accurate?

  • A) The solid expands and becomes a gas.
  • B) The temperature of the solid decreases.
  • C) The solid absorbs heat, and its particles move more freely.
  • D) The solid loses its mass.

Correct Answer: C) The solid absorbs heat, and its particles move more freely.

200

In relation to flexibility, which statement is true?

  • A) Flexibility is only found in liquids.
  • B) A flexible material can easily break under stress.
  • C) Flexibility is the ability to return to the original shape after bending.
  • D) Flexibility refers to the ability to hold a fixed shape.

Correct Answer: C) Flexibility is the ability to return to the original shape after bending

300

How can you tell if something is a solid?

  • A) It takes the shape of its container
  • B) It has a definite shape and volume
  • C) It can be poured
  • D) It is always hard

Correct Answer: B) It has a definite shape and volume

300

How can folding change a material?

  • A) It changes its temperature
  • B) It changes its color
  • C) It changes its shape but not its state
  • D) It makes it heavier

Correct Answer: C) It changes its shape but not its state

300

Folding a piece of paper can lead to which of the following changes?

  • A) The paper becomes a liquid.
  • B) The paper changes its chemical properties.
  • C) The paper's original dimensions are altered, but it remains a solid.
  • D) The thickness of the paper decreases.

Correct Answer: C) The paper's original dimensions are altered, but it remains a solid.

300

What characteristic distinguishes solids from liquids?

  • A) Solids have lower densities than liquids.
  • B) Solids can flow like liquids.
  • C) Solids maintain a definite shape, while liquids take the shape of their container.
  • D) Solids can evaporate when heated.

Correct Answer: C) Solids maintain a definite shape, while liquids take the shape of their container.

400

What is relative temperature?

  • A) The measurement of a solid's weight
  • B) How hot or cold something feels compared to something else
  • C) The ability to freeze
  • D) The color of a material

Correct Answer: B) How hot or cold something feels compared to something else

400

What happens to ice when it melts?

  • A) It turns into vapor
  • B) It turns into water
  • C) It becomes a solid
  • D) It disappears

Correct Answer: B) It turns into water

400

What is the result of ice melting in terms of energy?

  • A) Energy is released into the environment.
  • B) Energy is absorbed from the environment.
  • C) There is no change in energy.
  • D) Energy is converted into chemical energy.

Correct Answer: B) Energy is absorbed from the environment.

400

How does relative temperature affect the perception of materials?

  • A) It is an absolute measure that does not vary.
  • B) It influences how we classify materials as solids or liquids.
  • C) It compares the thermal energy of an object to that of its surroundings.
  • D) It is irrelevant to physical properties.

Correct Answer: C) It compares the thermal energy of an object to that of its surroundings.

500

What property describes how hot or cold something feels?

  • A) Density
  • B) Temperature
  • C) Flexibility
  • D) Texture

Correct Answer: B) Temperature

500

What is sanding?

  • A) The process of heating a solid
  • B) The process of smoothing a surface by rubbing it
  • C) The process of freezing a liquid
  • D) The process of cutting a material into pieces

Correct Answer: B) The process of smoothing a surface by rubbing it



500

Sanding a wooden surface primarily affects which physical property?

  • A) The chemical composition of the wood
  • B) The texture, making it smoother
  • C) The relative temperature of the wood
  • D) The flexibility of the wood

Correct Answer: B) The texture, making it smoother



500

Which property is often measured using a thermometer?

  • A) Density
  • B) Flexibility
  • C) Texture
  • D) Temperature

    • Correct Answer: D) Temperature