Unit 4 Remediation

Which letter is an example of reflection?

• A

• B

• C

Tags

NGSS.MS-PS4-2

Which statement explains why light will slow down when it goes from the air into water?

• The particles in the water are denser ( packed closer together) that the particles in the air.

• The particles in the water are less dense ( spaced further aprt) than the particles in the air.

Tags

NGSS.MS-PS4-2

Which of the following is true?

• Light only travels in empty space.

• Light travels in straight lines.

• Light bends around objects

• Light travels in only air

Tags

NGSS.MS-PS4-2

Which of the following represents absorption?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

Which layer of the atmosphere contains the ozone layer?

• Stratosphere

• Troposphere

• Mesosphere

• Thermosphere

• Exosphere

Tags

NGSS.MS-ESS2-6

Which layer of the atmosphere contains most of the Earth's weather phenomena?

• Stratosphere

• Troposphere

• Mesosphere

• Thermosphere

• Exosphere

Tags

NGSS.MS-ESS2-5

Which layer of the atmosphere forms the northern lights and contains orbiting satellites?

• Stratosphere

• Troposphere

• Mesosphere

• Thermosphere

• Exosphere

What caused oxygen levels to increased dramatically 700-300 million years ago?

• land plants

• cyanobacteria

• land animals

• the cooling Earth

Which of the following processes is primarily responsible for the removal of carbon dioxide from the atmosphere?

• Photosynthesis

• Respiration

• Combustion

• Evaporation

Tags

NGSS.MS-LS1-6

What is the main purpose of conducting a controlled experiment?

• To test a hypothesis by changing multiple variables

• To observe natural phenomena without interference

• To test a hypothesis by changing one variable at a time

• To prove a theory is correct

Tags

NGSS.MS-PS2-2