Astronomy

Which of the following is a year on Earth? The time it takes for...

• the Earth to complete an orbit around the Sun.

• Earth to completely rotate around its axis

• the Moon to complete an orbit around the Earth.

• the Sun to completely rotate around its axis.

Tags

NGSS.MS-ESS1-1

About how long does one cycle of the Moon's phases take?

• A day.

• A week.

• A month.

• A year.

Tags

NGSS.MS-ESS1-1

The phases of the Moon are caused by which of the following?

• Earth's rotation around its axis.

• Earth's orbit around the Sun.

• The Moon's orbit around Earth.

• Earth's shadow falling on the Moon.

Tags

NGSS.MS-ESS1-1

Changing seasons are caused by which of the following?

• The distance from Earth to the Sun.

• The Earth's not perfectly circular orbit around the Sun.

• Changes in the Sun's energy.

• The tilt of the Earth's axis.

Tags

NGSS.MS-ESS1-1

Which of the following diagrams correctly represents the position of Earth during winter in the Northern Hemisphere? 

• a

• b

• c

• d

Tags

NGSS.MS-ESS1-1

If a spacecraft travels from Earth to the edge of the Solar System, what will happen to the gravitational pull between Earth and the spacecraft? The gravitational pull between Earth and the Spacecraft will...

• increase.

• decrease.

• become zero.

• remain the same.

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Jupiter's diameter is about 11 times larger than the Earth's diameter. If Earth were modeled with a tennis ball which of the following would work best to create a scale model of Jupiter?

• A marble

• A golf ball

• A basketball

• A large yoga ball

Tags

NGSS.MS-ESS1-3

Which diagram(s) above best represent(s) the position of the Moon during a third quarter Moon? (The S represents the Sun, E is Earth and M is the Moon.)

• A

• B

• C

• A & C

Tags

NGSS.MS-ESS1-1

Which diagram(s) above show(s) the Moon in a location where an eclipse could occur?

• A

• B

• C

• A & C

Tags

NGSS.MS-ESS1-1

What percentage of the Moon is lit by the Sun?

• always 100%

• varies from 0 to 100%

• always 50%

• varies from 0 to 50%

Tags

NGSS.MS-ESS1-1