Force It!
Vocabulary
Gravity
Thinkers
100

In the lunch room, there are tables that support your food, your books and the note you wrote in class. Is the table a contact force or a non contact force?

What is contact force

100

Warren was riding his bike and saw the STOP sign ahead. As he squeezed the brake lever, the brake pads rubbed against the bike rims What force cause his bike stop?

What is friction?

100

Gravity is an attractive force. So it _________ all objects toward one another.

What is pulls?

100

In baseball, a fly ball happens when a player hits the ball high into the air. A player on the other team waits for the ball to come down to catch it. If there was NO gravity on Earth a fly ball would be different because: a. The fly ball would not go as high b. The fly ball would stick to the bat. c. The ball would never come down. d. The ball would come down very slowly.

What is c. The ball would never come down?

200

A magnetic force can hold a report card on the refrigerator. Is it a contact force or a non contact force?

What is non contact force

200

The absent minded skydiver reached for his parachute release cord. Oh NO.... he realized it was his back pack full of books he had jumped out of the plane with. AHHHHHHHHHHHHHHH! Which vocabulary term does this sentence represent?

What is gravity?

200

What type of force is gravity? a.contact force b.non contact force 

What is b. non contact force?

200

Alex is a soccer player.If he runs forward and kicks a ball that is at rest, ... what do you predict will happen? A. the ball will not move B.the ball will accelerate in the opposite direction of the applied force C. the ball will accelerate in the same direction as the applied force

What is C? the ball will accelerate in the same direction as the applied force.

300

Forces act on objects either by direct contact or over a distance. Which forces act to keep a book on a shelf? a.magnetic force b. applied force c. normal force  d.friction

What is C. normal force?

300

What protects our Earth from the sun's harmful particles?

What is magnetism?

300

The mass of an object has an affect on the gravity because: a.The force of gravity increases as mass increases. b. The force of gravity decreases as mass increases. c. The force of gravity os the same for all objects because acceleration is the same. d. The force of gravity is the same for all objects because the force is detemined by the Earth's mass.

What is a.The force of gravity increases as mass increases?

300

This law says that "Energy can not be created nor destroyed"

What is The Law of Conservation of Energy?

400

Mynika and De Asia are pulling a rope and one of these ladies pulls with MORE force, the forces will be __________. A. Balanced B. Unbalanced

What is b? Unbalanced force- a force that creates motion, acceleration, or change in direction

400

A girl pulls the plug of an electric hair dryer from the socket is an example of _________ force?

What is contact force?

400

What type of force is responsible for keeping the planets in orbit around the sun?

What is gravity?

400

Scientists estimate that the Moon moves away from Earth about 3.8 cm3.8 cm per year. How will this change affect the force of gravity on the Moon by Earth? a.The force of gravity increases because the distance between Earth and the Moon increases. b.The force of gravity increases because the distance between Earth and the Moon decreases. c.The force of gravity decreases because the distance between Earth and the Moon increases.

What is b.The force of gravity increases because the distance?