Study Guide: Energy and States of Matter

Which answer makes the sentence true? Matter is anything that ____________.

• reflects light

• is burned to make heat

• takes up space and has mass

• lets electricity move through it

The state of matter with a fixed volume but no fixed shape is _______.

• solid

• liquid

• gas

Is air matter?

• no

• yes

• it depends

Which form of matter has a definite shape like this picture?

• liquid

• solid

• gas

• clay

The volume of an object is...

• the amount of matter in a substance

• the amount of molecules in an object

• the amount of 3D space an object takes up

• whether a substance dissolves in water

The state of matter with no fixed volume and no fixed shape is _______.

• solid

• liquid

• gas

If a substance is compressible then it can...

• Dissolve in water

• decrease volume when under pressure

• increase volume when under pressure

• explode if near something flammable

How many carbon atoms (C) are in a CO₂ molecule?

• 1
• 2
• 3
• 0

Tags

NGSS.MS-PS1-1

How many Oxygen atoms (O) are in a  molecule  of CO₂

• 1
• 2
• 3
• 0

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms (H) are in a molecule of H₂O?

• 1

• 2

• 3

• 0