Grade 2 - Changes in Matter

What so we call the process of changing from one state to another state?

• Physical change

• Phase Change

A liquid turning to a solid is an example of physical change.

• true

• false

What do we call the process of gas to liquid?

• evaporation

• melting

• condensation

Leslie is eating a peach flavor mochi. The mochi changed its size as she tries to pull it. What did Leslie do to the mochi?

• cut

• stretch

• flatten

The process of evaporation happens because of the temperature change from cold to hot.

• true

• false

There's leftover chocolate juice in the kitchen. Krissa transferred it to a glass and puts it inside the freezer. What change will happen to the chocolate juice?

• The chocolate juice will turn into gas.

• The chocolate juice will turn into liquid.

• The chocolate juice will turn into a solid.

Luisa is the strongest among the Madrigal family. What did she do with the rocks in the picture?

• crushed

• crumple

• flatten

Mirabel wants to help her mother so she prepared some iced coffee. When she touched the glass there was water in it. What phase change happened to the tiny water outside the glass?

• condensation

• melting

• freezing

What happens to matter during melting?

• Solid turns into liquid.

• Liquid turns into solid.

If a box of crayons is left in a hot car on a summer afternoon, what change would you expect to observe in the crayons?

• gas changed to liquid

• solid changed to liquid

• solid changed to gas