Magic School Bus Gains Weight

What is gravity?

• A force that pushes objects apart

• A force that pulls objects toward each other

• A type of air resistance

• A force that only affects planets

How does gravity influence the motion of planets in our solar system?

Which of the following best describes the role of gravity in galaxies?

• It causes galaxies to move away from each other.

• It holds stars and planetary systems together within galaxies.

• It has no effect on the structure of galaxies.

• It only affects objects within our solar system.

Explain how gravity affects the motion of the Moon around the Earth.

What would happen to the planets if the Sun's gravity suddenly disappeared?

• They would continue orbiting in the same paths.

• They would move away in straight lines into space.

• They would collide with each other.

• They would stop moving completely.

Describe the relationship between mass and gravitational force.

In the episode, how does adjusting the bus's gravity affect the students' ability to perform a slam dunk?

• It makes no difference.
  

• Lower gravity makes it easier to jump higher.
  

• Higher gravity makes it easier to jump higher.
  

• Lower gravity makes it harder to jump.

In the episode, how does the gravity on the basketball-shaped planet compare to Earth's gravity?

• It's stronger than Earth's gravity.
  

• It's the same as Earth's gravity.
  

• It's weaker than Earth's gravity.
  

• Gravity doesn't exist on the basketball-shaped planet.

Why was the gravity less on the basketball shaped planet than on earth?

What lesson do the students learn about gravity by the end of the episode?

• Gravity varies on different planets and affects weight and motion.

• Gravity is the same everywhere in the universe.
  

• Gravity has no effect on jumping ability.

• Gravity only exists on Earth.