OpenSciEd Contact Forces Final Assessment Review

What is an interaction between at least two objects that are physically touching?

• collision

• contact force

• crash

Tags

NGSS.MS-PS2-1

TRUE or FALSE: Forces always come in pairs.

• True

• False

Tags

NGSS.MS-PS2-1

In science, when one object runs into another we call it a

• force

• collision

• pushing

Tags

NGSS.MS-PS2-1

TRUE or FALSE: When two pool balls collide, neither ball changes shape.

• true

• false

Tags

NGSS.MS-PS2-1

What is the unit for Force?

• grams

• g/ml

• Newtons

How does air resistance affect the motion of objects?

• speeds it up

• slows it down

• makes it heavier

• it doesn't

Tags

NGSS.MS-PS2-2

What is transferred in a collision that causes an object to change motion?

• force

• energy

• happiness

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-5

A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. As each paper clip was added, the plane was tested to determine how far it would fly. What is the independent variable?

• distance

• mass

• paper

Tags

NGSS.MS-PS2-2

Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators. What is the dependent variable?

• problems

• calculators/no calculators

• speed of working

An experiment was performed to determine how the amount of coffee grounds could affect the taste of coffee. The same kind of coffee, the same percolator, the same amount and type of water, the same perking time, and the same electrical sources were used. Which variable would go on the x axis of this graph?

• percolator

• water

• electrical sources

• amount of coffee grounds