4th Grade Midyear Science Review 23-24

Front

What is the imaginary line called that Earth rotates on?

Back

Axis

Front

What is the name of the system that includes planets, moons, comets, and asteroids?

Back

Solar system

Front

How long does it take for the Earth to complete one rotation on its axis?

Back

24 hours

Front

Which planet is the smallest terrestrial planet?

Back

Mercury

Front

Why was Pluto removed from the list of planets in 2006?

Back

It's small size and irregular orbit.

Front

What is the term for the path that planets take around the sun?

Back

Orbit

Front

What do we call the force that pulls objects toward each other, like the Earth and the Moon?

Back

Gravity

Front

What is the name of the largest planet in our solar system?

Back

Jupiter

Front

What is the term for the time it takes for the Earth to go around the sun?

Back

1 year

Front

What is the name of the second planet from the sun?

Back

Venus