Earth's Living Systems
Matter and Energy of Living Systems
Forces in the Solar System
Beyond Our Solar System
Space Exploration Technology
100

Changes that occur as a multicellular organism changes from conception to birth (in terms of cellular development).

What are the number of cells in its body increasing and cells becoming specialized to do specific jobs?

100

A type of biomolecule that can be used for energy storage and insulation.

What is a lipid?

100

The reason why an object weigs less on Venus than on Earth.

What is Venus's gravitational force is less than Earth's?

100

This evidence from stars tells us that the universe is expanding.

What is the ligth waves from stars becoming stretched out.

100

Electromagnetic waves can travel through empty space.

What is one way electromagnetic waves are different from mechanical waves?

200

Dark-colored moths become common after tree trunks become dark.

What is an example of a species adapting to changes in its environment?

200

The path energy takes during photosynthesis.

What is sun --> plant --> sugar?

200

A limitation of the geocentric model of the solar system.

What is that it cannot explain why plantes appear to go backward and make loops in the sky?
200

Features on the surface of the Sun.

What are sunspots, solar flares, and prominences?

200

Two ways dim blue light waves are different from bright red light waves.

What are shorter wavelengths and lower amplitudes?


300

Two ecological terms used to describe a bear.

What are predator and consumer?

300

The path energy takes during cellular respiratoin.

Food --> ATP?

300

The type of tide that occurs when the Earth, moon, and sun are in the positions shown below.

What is a neap tide?

300

The reason other stars look much smaller than the Sun when viewed from Earth.

What is the distance of the star? They are much farther away than the Sun. 
300

Two reasons why the digital signal is a more reliable way to copy sound recordings than the analog signal.

What are the digital signal uses a limited number of values and is less affected by noise?

400

This population decreases if the cord grass population is destroyed due to a drought.

What is the snail population?

400

The process of how a cell part helps a cell get nutrients.

What is a food vacuole that merges with a lysosome?

400

This diagram shows the path of a bouncing ball. These two sections show the ball's velocity increasing.

What is A and C?

400

According to the HR-diagram, which two groups are most likely to contain the stars with the lowest temperatures?

What are main sequence stars and supergiants?

400

The building of the International Space Station.

What is an example of how space exploration improved US relations with the rest of the world?

500

This diagram shows three steps in the carbon cycle. This is happening in step 2.

What is cellular respiration releasing carbon dioxide into the atmosphere?

500

The amount of energy that the snail gets from the plants they eat.

What is 10%?

90% of the energy is lost as heat to the environment.

500

Based on this model, these are 3 factors that cause the appearance of stars moving across the sky every day but changing paths throughout the year.

What are the Earth's rotation on its axis, the tilt of the axis, and Earth's revolution around the sun.

500

Main sequence star --> red giant --> white dwarf

What are the stages of the life cycle of the Sun?

500

Identify criteria and constraints of the project.

What step comes after identifying the problem in the engineering design process?
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