Grade 3: Forces, Motion, and Magnets

_______________ are pushes and pulls on an object.

• Forces

• Movements

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

_________________ is an invisible force that pulls on some metal objects.

• Repel

• Magnetism

Which of the following is an example of unbalanced forces?

• A tug-of-war game where 1 person is competing against 5 people

• A tug-of-war game where 1 person competes against 1 other person

Which of the following is an example of balanced forces?

• A tug-of-war game where 1 person is competing against 5 people

• A tug-of-war game where 1 person competes against 1 other person

True or false: Electricity is a force.

• true

• false

Tags

NGSS.MS-PS2-5

Which of the following are examples of gravity? Pick TWO.

• A ball that was thrown in the air returns to the ground

• Magnets can float above other magnets

• An apple falls from a tree and hits the ground

Tags

NGSS.5-PS2-1

Which of the following statements explain the pattern in the data above? Click on the table to enlarge it.

• Each time the ramp was placed higher, the balls traveled a shorter distance.

• Each time the ramp was placed higher, the balls traveled a longer distance.

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

If the pattern were to continue, how tall would the ramp be in trial 5? Click on the table to enlarge it.

• 30 inches

• 32 inches

Tags

NGSS.3-PS2-2

If the pattern were to continue, how far would the red ball travel in trial 5? Click on the table to enlarge it.

• 40 inches

• 42 inches

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

Imagine that one of the bowling balls knocks down bowling pins after rolling down the ramp. What kind of force is it when the bowling ball hits the pins?

• balanced force

• unbalanced force

Tags

NGSS.MS-PS2-1