Blank Quiz

Which of the statements below is an example of friction?

• Erasing a mistake on a test
• Pushing on the breakes to slow down a car
• Rubbing two sticks together to start a fire
• All of the above

Why do we sometimes want to prevent friction?*

• To make it easier to move an object
• To keep an object from moving
• To increase the temperature in the air
• To decrease the temperature in the air
• To prevent matter from mixing.

The _________ the force, the more movement it can produce.*

• Greater
• Slower
• Smaller
• Faster
• None of the Above

On the Moon, you would be able to jump much farther than on Earth. Why?*

• You would weigh more on hte Moon.
• The Earth's gravitational pull is much less than on the Moon.
• The Moon's gravitational pull is much less than on Earth.
• There is no gravity on the Moon.
• Because the moon doesn't have a solid core.

Gravity is the force that helps us to ________.

• Stay in constant motion
• Float in space
• Lose weight
• Keep our feet on the ground
• Increase our mass

Which object contains approximately 99.86 of the mass of the entire solar system?

• the Sun
• Earth
• An asteroid
• Jupiter
• The universe

Which Moon phase comes directly after a New Moon?

• Full Moon
• Waxing Gibbous
• Waning Gibbous
• Waxing Crescent
• Half Moon

Day and night are caused by_____.*

• the rotation and the revolution of the Earth.
• the revolution of the Earth around the sun.
• the rotation of the Earth on its axis.
• the suns changing positions in the sky.
• The sun rising and setting.

Matter can go through a chemical change or a physical change. No matter what the type of change there is, every time matter changes its form

• the amount of matter is the same.
• the matter releases heat energy.
• some of the matter is destroyed
• new matter will be created.
• The matter dissolves.

_______________ is proof that Earth rotates on its axis once every 24 hours.

• The seasons Changeing.
• Snow falling
• Seeing different constellations each season.
• Shadows moving across the ground.
• The Earths gravitational pull.