Force

Which word describes a push or pull on an object?

• Position

• Hypothesis

• Mass

• Force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Students launch air rockets in their science class. Air pressure from a hand pump causes the rockets to rise into the sky. What force causes them to return toward the ground?

• Wind pushing up

• Pull of Earth’s gravity

• Heat from the Sun

• Magnetic north pole

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A student placed two magnets on the table. If the student slowly pushes Magnet 1 in the direction of the arrow, then which of the following actions will Magnet 2 perform?

• Move closer to Magnet 1

• Move away from Magnet 1

• Not move until Magnet 1 touches it

• Get stronger as Magnet 1 gets closer

Tags

NGSS.3-PS2-2

NGSS.3-PS2-3

A polar bear slides down an ice covered hill. As he slides, he slows down. Eventually he comes to a stop. What force acts on an object to slow or stop its motion?

• Speed

• Friction

• Gravity

• Direction

Tags

NGSS.MS-PS2-2

Which experiment listed below will best determine how friction affects the speed of a rolling object?

• Roll 3 objects of various sizes across the floor.

• Roll 3 objects of equal size from various heights across the floor.

• Roll 3 objects of equal size across 3 different types of surfaces.

• Roll 3 objects of equal size from equal heights across the floor.

Looking at the picture, what two tools would be needed to measure the effect of friction on the ball?

• Hand lens and balance

• Balance and spring scale

• Measuring tape and stop watch

• Spring scale and hand lens

A student drops a ball from shoulder height. The ball bounces 5 times before coming to a stop. What force causes the ball to fall to the ground?

• Friction

• Magnetism

• Position

• Gravity

Tags

NGSS.MS-PS2-4

A boy applies a pushing force on a ball thrown into the air. What applies a pulling force on the ball at the same time?

• Gravity

• The height of the boy

• Friction

• The mass of the ball

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of these objects would be attracted to a magnet?

• Iron nail

• Wooden Pencil

• Rubber band

• Plastic ruler

Tags

NGSS.5-PS1-3

What is the downward force that pulls objects to Earth?

• Magnetism

• Air pressure

• Electricity

• Gravity

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5