8th Concept 1.3 Review

What is true about the energy in a system?

• It is destroyed

• It disappears after being used

• It is conserved

• It remains in its original form

Which of the following is NOT an example of a form of energy?

• Potential energy

• Kinetic energy

• Heat

• Food

Which will apply more force if thrown at a bowling pin with the same acceleration for all objects?

• baseball (5 ounces)

• soccer ball (16 ounces)

• tennis ball (2 ounces

• bowling ball (18 ounces)

Where do most asteroids exist in space?

• Between Mars and Jupiter

• Between Mars and Earth

• Between Earth and Venus

• Between Jupiter and Pluto

What is the energy being transferred from in the following example?

When a rubber ball is thrown against a wall, energy is transferred and transformed.

• The person throwing the ball

• The ball

• The wall

• Gravity

 Why would an asteroid NOT move out of the asteroid belt? 

• Gravity from Jupiter

• Gravity from Mars

• Collision with nonplanetary object

• Collision with planetary object

 A collision on Earth is thought to have done what?

• Caused a mass extinction of all living things

• Hit the Earth off its axis

• Caused a mass extinction of dinosaurs

• No effect

Which of the following is NOT a nonplanetary object?

• Satellite

• Asteroid

• Comets

• Venus

An object has to have a ______ mass than what it is trying to move to cause movement.

• Greater

• Less

• Same

• No

Match the following

• A large, circular pit in the surface of a planet usually formed when two bodies in space collide

• Crater

• A large circular mass that revolves around a star.

• Asteroid

• The layers of gasses that surround a planet.

• Atmosphere

• A body of ice and dust that travels in a long narrow orbit around 

  the sun

• Comets

• A small object made of rock or metal that orbits the sun.

• Planet