Front

Why does Arnav experience different seasons on Earth?

Back

The tilt of the Earth's axis as it orbits the sun.

Tags

NH.SCI.6-8.MS-ESS1-1

Front

What keeps the planets moving around the sun?

Back

Gravity keeps the planets in orbit around the sun.

Tags

NH.SCI.6-8.MS-ESS1-2

Front

What would happen to the moon if the force of gravity between the Earth and the moon suddenly disappeared?

Back

The moon would fly off into space in a straight line.

Tags

NH.SCI.6-8.MS-ESS1-2

Front

Best way to compare the size of Earth to Jupiter using a scale model?

Back

Use two balls, one much larger than the other, to represent Jupiter and Earth.

Tags

NH.SCI.6-8.MS-ESS1-3

Front

Avani discovers a layer of rock with many dinosaur fossils below another layer with no dinosaur fossils. What can she most likely conclude?

Back

Dinosaurs lived before the upper layer was formed.

Tags

NH.SCI.6-8.MS-ESS1-4

Front

Why do the moon's phases change over a month, and what would happen if the moon did not orbit Earth?

Back

The moon’s phases are caused by its orbit around Earth; if it did not orbit, we would always see the same phase.

Tags

NH.SCI.6-8.MS-ESS1-1

Front

How can Ananya use data about distances between planets and the sun to create a scale model of the solar system?

Back

Assign each planet a position on a line using the same scale for all distances, so the relative spacing matches the real solar system.

Tags

NH.SCI.6-8.MS-ESS1-3