What's the Matter? Post Assessment Review

Which is a phase change of matter that can always occur without a substance changing its identity?

• dissolving

• freezing

• reacting

• rusting

Tags

NGSS.MS-PS1-4

Which describes a chemical property of iron?

• Iron is ductile.

• Iron readily forms rust in moist air.

• The melting point of iron is 2,797°F.

• Iron is a silvery-white or grayish metal.

Why would the objects pictured above MOST likely have different weights?

• They have different shapes.

• They have different masses.

• They have different dimensions.

• They have different surface areas.

When bubbles form in a liquid, which physical change is happening?

• condensing

• boiling

• freezing

• melting

Tags

NGSS.MS-PS1-4

According to the particle theory of matter, there is space between the small particles that make up matter. The space between particles differs depending on the state of the matter. Which list ranks the states of matter, according to the spacing between particles, from largest to smallest?

• solid, liquid, gas

• gas, solid, liquid

• liquid, gas, solid

• gas, liquid, solid

Which list contains only objects made up of atoms?

• steel, water, sand, dolphin

• light, rock, apple, squirrel

• palm tree, electricity, salt, air

• paper, vinegar, heat, helium

Tags

NGSS.MS-PS1-1

Materials that let electrons flow very easily from one atom to another

• are called insulators.

• are called conductors.

• are called non-metals.

• are called resistors.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which of the following has the ability to change the state of matter?

• heat

• wind

• light

• sound

Tags

NGSS.MS-PS1-4

When water changes from a liquid to a gas and then the steam condenses back to the liquid form, these types of changes are

• physical

• chemical

• electrical

• mechanical

Tags

NGSS.MS-PS1-4

Students took some ice cubes out of the freezer at 1:00 p.m. An hour later, they observed how the ice cubes had changed. The change is BEST described as

• chemical because a liquid formed.

• physical because it happened over time.

• physical because no new substance was formed.

• Chemical because heat caused the change.