Earth Science Quiz

Which material is Earth MOSTLY made of?

• ice

• gas

• rock

• soil

The pitcher shown in the picture drops a ball. Which arrow shows the direction the ball will travel?

• Diagram A

• Diagram B

The diagram shows a satellite in orbit around Earth. It is orbiting in the direction shown and is pulled toward Earth by gravity. What would happen if Earth's gravity suddenly disappeared?

• the satellite would fall to Earth

• the satellite would stop moving

• the satellite would continue to orbit Earth

• the satellite would move into space in a straight line

On which planet would a 70 kg person have the greatest weight?

• Mercury

• Mars

• Jupiter

• Neptune

Drag each text in the left column to its matching text on the right.

• Mass

• Orbit

• Air Friction

• Gravity

• Weight

The strength of gravity affects the motion of planets and other celestial bodies in the solar system. Different planetary features can affect this gravitational strength and motion. Some of these features are listed in the table.

Which planet would experience the greatest gravitational effect from the sun?

• Neptune

• Jupiter

• Earth

• Mercury

Which statement best describes the relationship of distance to the sun and orbital velocity?

• as the distance from the sun increases, the orbital velocity increases

• as the distance from the sun increases, the orbital velocity decreases

• there is no clear pattern connecting distance to the sun and orbital velocity

Which velocity is the best prediction for a newly discovered planet between the orbits of Jupiter and Mars?

• 33 km/s

• 28 km/s

• 19 km/s

• 8 km/s

Refer to the diagram above. What would happen if Earth's gravity suddenly disappeared?

• The satellite would fall to Earth

• The satellite would stop moving

• The satellite would continue to orbit Earth

• The satellite would move into space in a straight line