Changes in Matter Review

Which of the following will change a solid to a liquid?

• evaporation

• freezing

• melting

• condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A scientist conducted two demonstrations. In one demonstrations, the scientist melted a popsicle. In the other demonstration the scientist burned a wooden log. The students discussed that they had observed physical and chemical changes.

What caused both of these changes to take place?

• an increase in temperature

• a decrease in volume

• an increase in denisty

• a decrease in mass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

One morning Mason noticed there were tiny drops of water on his water bottle as he walked to his bus stop. That afternoon the water drops were gone.

Which of the following best explains what happened to the drops of water?

• the heat from the air caused the water to melt

• the air cooled the water and made the drops freeze

• the air warmed up and made the water condense on the water bottle

• the energy from the sun cause the water to evaporate

Tags

NGSS.MS-PS1-4

During the water cycle, rain sometimes forms snow. What effect does temperature have on this change?

• Decreasing temperature causes a physical change from liquid to solid.

• Increasing temperature causes a physical change from liquid to solid.

• Decreasing temperature causes a physical change from liquid to gas.

• Increasing temperature causes a physical change from liquid to gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Ms. Thompson says that when water vapor forms as water boils, it’s a physical change. Which reason can she give to show that she is correct?

• Water vapor can be changed back into water

• Water vapor is a gas.

• Water can be cooled to form a liquid.

• Water vapor cannot be changed back into water.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Mrs. Grissom is baking cookies.  She places the cookie dough in the oven and notices the chocolate chips begin to melt.  What is causing this to happen? 

• heat is being removed
• cookies are getting cooler
• Mrs. Grissom eats the cookies
• Heat is being added

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A banana rotting.

• physical

• chemical

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

Breaking a plate.

• physical

• chemical

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Sugar dissolving in water.

• physical

• chemical

Tags

NGSS.5-PS1-4

Baking a cake.

• physical

• chemical

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

NGSS.MS-PS1-5