BJU 11 Chemistry

Has a definite shape, mass, and volume

• solid

• liquid

• gas

• matter

Has a definite mass and volume, but not a definite shape

• solid

• liquid

• gas

• ice

Tags

NGSS.MS-PS1-4

Which is an example of a gas?

• car

• water

• carbon dioxide

Tags

NGSS.MS-PS1-4

How many atoms of sodium (Na) are in one molecule of baking soda?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many atoms make up one molecule of laughing gas?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Ozone and Oxygen molecules are the same substance because they both are made only of oxygen atoms.

• true

• false

Tags

NGSS.MS-PS1-1

What is the chemical symbol for carbon?

• C

• Ca

• Cn

• Crn

When we combined vinegar and baking soda and created carbon dioxide what was the product?

• vinegar

• carbon dioxide and baking soda

• carbon dioxide

• vinegar and baking soda

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemical reaction or change a new substance is not created.

• true

• false

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

If there is a rise in temperature during a chemical reaction it is called a _________________ reaction.

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5