Science 6 Third Quarter Exam

What is Gravity?

• The force that pulls objects to the ground

• An object that conducts electricity

• Molecules that make up the air we breathe

• Is an energy that enable the matter to move

Isaac Newton discovered Gravity?

• True

• False

• Maybe

• None of these

Friction is a force that acts in the ______ direction of the intended motion of an object.

• Same

• Parallel

• Opposite

• Northern

Friction changes the energy of an object from kinetic energy to _____ energy.

• Electric

• Stored

• Heat

• Wind

In what way can friction be reduced?

• Using grease

• Using a wheel

• Using a ball

• All of these

A bowling ball on a bowling lane is an example of what type of friction?

• Dry friction

• Rolling friction

• Fluid friction

• Static Friction

A child sliding down the slide at a park is an example of what type of friction?

• Dry friction

• Rolling friction

• Fluid friction

• Static Friction

In what way does friction help us in our everyday life?

• Brakes on a car

• Standing up

• Climbing a hill

• All of these

What is inertia?

• The tendency of an object to continue doing what it is currently doing.

• The opposing force of gravity.

• Another name for unbalanced forces.

• The mass of an object.

This swimmer has to work really hard to overcome this type of friction?

• Static Friction

• Rolling Friction

• Sliding Friction

• Fluid Friction