Midterm Review: Matter and Elements

What phase of matter is represented in the picture?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS3-4

What phase of matter is represented in the picture?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

What phase of matter is represented in the picture?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the difference between the symbols Si and SI?

• They are two different ways to represent the element silicon

• One is the symbol for an element, one is a formula for a compound.

• Si represents the element silicon, SI represents the element sulfer.

• They represent two substances, each made up of two elements.

True or False? All matter is made of atoms.

• True

• False

Tags

NGSS.MS-PS1-1

True or False? Living things are made of atoms.

• True

• False

Tags

NGSS.MS-PS1-1

True or False? Atoms are matter

• True

• False

Tags

NGSS.MS-PS1-5

Phase changes (freezing, melting, evaporation, condensation and sublimation) are

• chemical changes, because a new substance is formed.

• chemical changes, because a new substance is not formed.

• physical changes, because a new substance is formed.

• physical changes, because a new substance is not formed.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which element is in group 17?

• C

• Kr

• He

• F

What causes the bubble to expand in hot water and contract in cold water?

• Some of the gas particles got out of the bottle.

• The gas particles in the bottle got closer together when they were cold.

• The gas particles fell to the bottom of the bottle.

• The gas particles became smaller.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5