G2 TX Science CH2 Lesson 3 Review

Observe the photos of the paper. What will happen when you fold the paper another time?

• The paper will change color.

• The paper will become a liquid.

• The paper will form a new shape.

• The paper will remain unchanged.

Maria is using wood to build a birdhouse. In which TWO ways can Maria change the wood?

• The wood can be folded.

• The wood can be cut.

• The wood can be melted.

• The wood can be sanded.

Which of the following is an example of a material that has MELTED?

• Ice turning into water

• Wood burning into ash

• Iron rusting

• Paper tearing

Which properties change when a piece of cloth is cut?

• The pieces of cloth have a different size and shape.

• The pieces of cloth change from solid to liquid.

• The pieces of cloth change color.

Give three examples of how the physical properties of matter can change.

• Melting of ice, boiling of water, and freezing of liquid

• Photosynthesis, respiration, and digestion

• Rusting of iron, burning of wood, and cooking of food

• Evaporation, condensation, and sublimation

The ice cube changed into a liquid when it got warm. What does the Change mean in the sentence?

• to become different

• to become warmer

• to become cooler

• to put on a different outfit

My water became cool in the refrigerator. What does cool mean in the sentence?

• to become warmer

• to make less hot

• to melt

• to change from a liquid to a solid

I have to freeze my ice cubes in the freezer. What does the word freeze mean as used in the sentence?

• to melt

• to make less hot

• to change from a liquid to a solid

• to change from a solid to a liquid

I need to heat my food to eat. What does the word heat mean as used in the sentence?

• to make less hot

• to change from a liquid to a solid

• to melt

• to make less cool

I need to melt my chocolate to make candy. What does melt mean as used in the sentence?

• to change from a solid to a liquid

• to become less cool

• to become less hot

• to become different