CHANGES IN THE PROPERTIES OF MATERIALS WHEN exposed to certa

Amy heated a chocolate bar to make a chocolate syrup. Which of the following describes what changes happened in the property of the chocolate bar when it was heated?

• size and shape

• taste and odor

• texture and odor

• odor and color

What will happen to crayons when heated?

• it will harden

• it will melt

• nothing will happen.

• all of the above

When butter is heated, there is a change in

• shape

• texture

• size

• all forms

The ice cube when heated will

• change its odor

• melt

• harden

• all of the above

After melting, when crayons are cooled there will be a change in ________

• texture

• shape

• size

• size, shape, and texture

Sally bought a chocolate bar in school. When she opened it during recess, the chocolate became soft and sticky. Afterwards she kept the chocolate in her lunch bag and placed it in the refrigerator when she arrived home. Sometime after, the chocolate cooled and hardened. What changes occurred in the chocolate?

• gas- Liquid

• liquid-gas

• liquid-solid

• solid- Gas

Athena left her crayons outside the house the whole afternoon. What will likely happen to the crayons?

• it will become solid materials

• it will melt.

• it will remain the same.

• unchanged

What causes chocolates and crayons to melt?

• water

• direction of the wind

• temperature

• freezing

When butter is heated, changes occur. What properties of matter will change?

• size, shape and texture.

• size and shape

• shape and texture.

• shape only.

Why keeping butter in the refrigerator makes it hard?

• it is heated

• it is cooled

• it is fried

• it is boiled