Science Fall Semester Review 6th

Front

During a lab a balloon was rubbed with a wooly fabric then placed by running water. The water then bent towards the balloon. This is an example of which type of force?

Back

electromagnetic (electrostatic)

Front

What are the three NON-CONTACT forces we are studying this unit?

Back

Gravity, electricity, and magnetism

Front

What forces caused a ball's motion when it rolls down a grassy hill, continues to roll, and then slows down to a stop?

Back

Gravity caused the ball to roll down the hill, but frictional force caused the ball to slow down and stop.

Front

What is a contact force?

Back

objects physically touching

Front

The three examples pictured are of

Back

Contact Forces

Front

Newton’s law states that for every action, there is an ________ reaction.

Back

equal and opposite

Front

If the person is pushing backwards with the paddle, why do they move forward?

Back

The water pushes back with an equal and opposite force

Front

Which of these choices best describes the gravitational potential energy of an object?

Back

The higher an object is, the greater the gravitational energy.

Front

At which position does the child on the swing have the most gravitational potential energy? Options: W, X, Y, Z

Back

Z

Front

Which energy transformation happens when the blades of a wind turbine are spinning due to air movement?

Back

Mechanical to electrical