Earth Moon Stars Test

Robert knows that Earth turns on its axis at a regular speed. How long does it take for Earth to make one complete rotation?

• 30 days
• 12 hours
• 365 days
• 24 hours

Justine knows that Earth revolves around the Sun at a constant and regular speed. What would happen if Earth took less time to travel around the Sun than it does now?

• A year would be shorter than 365 days
• A year would be longer than 365 days.
• A day would be longer than 24 hours.
• A day would be shorter than 24 hours.

Kenisha has a yearly calendar on her desk. Which of the following statements might Kenisha make about what happens between January 1st and December 31st?

• Earth makes just one complete rotation on its axis.
• Earth makes just one complete revolution around the Sun.
• The Sun makes just one complete revolution around Earth.
• The Moon goes through all of its phases just once.

Alexi knows that the Moon seems to change its shape over a month. Which of the following statement best explains what Alexi might see each night?

• The lit part of the Moon that faces Earth.
• Light from the stars that the Moon reflects.
• Light that the Moon makes itself.
• Earth’s light that reflects off the Moon.

Mrs. Mott’s class is going on a trip to visit an observatory. Scientists there show them how they look at stars and other distant objects in space. What type of tools do the scientists use at an observatory?

• microscopes
• digital scales
• telescopes
• hand lenses

Aisha notices that there is a full moon in the night sky. Which of the following tools should Aisha use to view the craters on the Moon?

• digital scale
• telescope
• microscope
• hand lens

An astronomer sees a moon orbiting the planet Jupiter that she has never seen before. How should the astronomer gather evidence about the new moon?

• predicting information
• communicating results
• analyzing data
• making observations

Mikail observes the movement of the Moon across the night sky. He makes a diagram and labels it to share with his class. Which of the following statements best describes Mikail’s investigation?

• It involves analyzing evidence.
• It involves analyzing data.
• It involves observations made over time.
• It involves making a prediction.

Luke watches the stars each night and notices that they seem to move across the sky. What evidence would support that the stars appear to move?

• Different stars are directly above him when he looks at different times.
• The clouds move across the sky in front of the stars.
• He guesses that the Earth is moving around the stars.
• The same stars remain above his head as he watches through the night.

Hai knows that Earth’s rotation causes day and night. Which of the following statements about day and night is true?

• The side of Earth facing away from the Sun has daytime.
• The side of Earth facing the Sun has daytime.
• The side of Earth facing away from the Moon has nighttime.
• The side of Earth facing the Moon has nighttime.