Unit Test

A student observes water droplets on the leaves of a rose bush in the morning. At noon, the student finds the water droplets are no longer on the leaves.

Which statement explains why the water droplets vanished?

• Water warms on the leaves to form heavier water droplets.

• Water cools on the leaves to form water vapor.

• Sunlight causes the water droplets to condense.

• Sunlight causes the water droplets to evaporate

Tags

NGSS.MS-ESS2-4

How are fossils most commonly formed in sedimentary rock layers?

• By the melting of minerals

• Through the extraction of bone material

• By organisms being buried quickly by sediment

• Through volcanic ash covering an organism

Tags

DOK Level 2: Skill/Concept

Which process primarily contributes to the formation of metamorphic rocks?

• Cooling of lava

• Deposition of sediment

• High pressure and heat

• Organic decomposition

Tags

DOK Level 2: Skill/Concept

What is the primary reason for the change in seasons on Earth?

• The distance of Earth from the Sun changes.

• The tilt of Earth's axis relative to its orbit.

• The speed of Earth's rotation changes.

• The shape of Earth's orbit changes.

Tags

NGSS.MS-ESS1-1

Which of the following best describes the process of photosynthesis?

• Conversion of chemical energy into light energy.

• Conversion of light energy into chemical energy.

• Conversion of thermal energy into mechanical energy.

• Conversion of mechanical energy into thermal energy.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the main function of the roots of a plant?

• To produce flowers.

• To absorb water and nutrients.

• To perform photosynthesis.

• To release oxygen.

Tags

NGSS.MS-LS2-1

Which gas is most responsible for the greenhouse effect on Earth?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Tags

NGSS.MS-ESS3-5

What is the primary purpose of the scientific method?

• To prove a hypothesis is correct.

• To systematically investigate phenomena.

• To create new scientific laws.

• To disprove existing theories.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS2-5

Which of the following is a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the role of chlorophyll in plants?

• To absorb water

• To absorb sunlight

• To absorb nutrients

• To absorb carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3