CFA 1B - Atmosphere

What would happen if the atmosphere disappeared?

• Earth would become a desert

• More radiation would harm all living things

• Oceans would expand

• Plants would grow faster

How does the atmosphere insulate Earth, keeping its temperatures relatively stable?

• By reflecting sunlight

• By trapping heat

• By absorbing water

• By creating winds.

What are the four ways that light moves through Earth?

• Reflection, Refraction, Absorption, Transmission

• Bouncing, Skipping, Sliding, Rolling

• Heating, Cooling, Freezing, Melting

• Growing, Shrinking, Expanding, Contracting

Tags

NGSS.MS-PS4-2

What property of waves is impacted as it moves through different states of matter?

• A) Amplitude

• B) Frequency

• C) Wavelength

• D) Speed

Tags

NGSS.MS-PS4-2

What happens to the speed of a wave as it travels from a disturbance and moves through water?

• It increases

• It decreases

• It remains constant

• It fluctuates.

Tags

NGSS.MS-PS4-2

Why might scientists find their results invalid after sharing with the community?

• Lack of replication

• Lack of interest

• Too much data

• Fast results

What is the importance of the ozone layer?

• Protects from UV rays

• Provides oxygen

• Causes rain

• Supports photosynthesis

What is the test (independent) variable of an experiment?

Tags

NGSS.MS-PS2-2

What is the outcome (dependent) variable of an experiment?

Tags

NGSS.MS-PS3-4

What does it mean to insulate?

• To allow heat to pass through

• To prevent the transfer of heat

• To increase the temperature

• To decrease the temperature

Tags

NGSS.MS-PS3-3