Unit 1 8th Grade

What is the role of atoms in a chemical reaction?

• Atoms are created and destroyed in a chemical reaction.

• Atoms are rearranged to form new substances during a chemical reaction.

• Atoms remain unchanged through the whole thing.

• Atoms are only involved in physical changes.

Tags

NGSS.MS-PS1-5

Students get a sample that is made up of particles of different colors, shapes and sizes. Some particles are soft and some are hard. Some are shiny and some are dull. What is it?

• Element

• Heterogeneous Mixture

• Homogeneous Mixture

• Compound

The soil pH of blueberries is 5.0-6.5. Is it acidic, neutral, or a base.

• Acid

• Neutral

• Base

Tags

NGSS.MS-LS2-1

In order to determine if a liquid is an acid, neutral, or base; you would have to use a pH test.

• True

• False

Mass changes when a chemical reaction occurs.

• True

• False

Tags

NGSS.MS-PS1-5

Elements in column 1 (left side) of the periodic table are_________.

• The most reactive

• The least reactive

• Edible

• I have no idea

Which of the following is a product resulting from the chemical change of photosynthesis?

• Glucose

• Water

• Carbon dioxide

• light

Tags

NGSS.MS-LS1-6