Unit 20 Mastery Connect Review

1. Which of the following is not evidence of energy transfer?

• A radio is playing music

• A light is turned on

• A kid kicks a soccer ball

• A pencil sits on a desk

Tags

NGSS.MS-PS3-5

A boy was playing with a toy car powered by a balloon.  The table shows a cause and effect relationship.

• The more the student blows air into the balloon, the farther the car travels.

• The less the student blows air into the balloon, the farther the car travels.

• The more the student blows air into the balloon, the less the car travels.

• There is no relationship between how much the student blows air into the balloon and how far the car travels.

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

If the student blew into the balloon 12 times, what is your prediction for how far the balloon would go?

• The balloon will cause the car to travel farther.

• The balloon will cause the car to travel less distance.

• The balloon will cause the car to stand still.

• The balloon will cause the car to go backwards

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

 In a collision between two objects, what is important to know to predict how far the objects will travel.  Select all that are true:

• Speed of object

• How much the objects cost

• Mass of object

• Starting distance between objects

• The color of the objects

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

NGSS.MS-PS2-1

NGSS.MS-PS3-1

What is an independent variable?

• The variable you measure.

• The variable that you change

• The variable that stays the same.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What is a dependent variable?

• The variable you measure.

• The variable that you change

• The variable that stays the same.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What is a control variable?

• The variable you measure.

• The variable that you change

• The variable that stays the same.

 Two students want to move a heavy box out of their house.  Decide which simple machines would be helpful.

• Lever

• Wheel & axle

• Screw

• Ramp

Tags

NGSS.MS-ETS1-2

What is the evidence of energy transfer in this picture?

• Sound Energy

• Heat Energy

• Motion Energy

• Light Energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

What two variables affect the amount of work done on an object?

• Force and Speed

• Speed and Mass

• Force and Distance

• Distance and Time