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30.6 STS Work and Machines Part1

30.6 STS Work and Machines Part1

Assessment

Presentation

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Science

•

Professional Development

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Practice Problem

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Easy

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NGSS
MS-ESS1-1, MS-PS2-4, MS-PS3-5

+8

Standards-aligned

Created by

Hilary Donahue

Used 1+ times

FREE Resource

15 Slides • 27 Questions

1

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2

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3

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4

Multiple Choice

What is energy?

1
Energy is the ability to do work or produce change.
2
Energy is the sound of music
3
Energy is the taste of chocolate
4
Energy is the color of the sky

5

Multiple Choice

What are examples of change? Choose the best answer

1

moving,

2

changing shape,

3

changing temperature.

4

all of the above

6

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8

Multiple Choice

What is work (in physics)?

1
Work in physics is the product of energy and power.
2
Work in physics is the product of time and velocity.
3
Work in physics is the product of mass and acceleration.
4

Work in physics is the use of force to move an object

9

Multiple Choice

What is power?

1
Power is the ability to speak multiple languages
2
Power is the ability to bake a cake
3

Power is a measure of the amount of work that can be done in a given amount of time.

4
Power is the ability to fly

10

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11

Multiple Choice

What is a machine?

1
A machine is a living organism
2

A machine is any device that makes work easier by changing a force.

3
A machine is a type of fruit
4
A machine is a fictional character in a book

12

Multiple Choice

What is it called whenever a force moves an object over a distance?

1
Force
2
Energy
3
Work
4
Power

13

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14

Multiple Choice

What kind of simple machine is a broom?

1
lever
2
screw
3
pulley
4
wheel

15

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16

Multiple Choice

What is a lever?

1

A mathematical concept

2

A type of simple machine

3

A complex tool

4

A form of energy

17

Multiple Choice

In a first class lever, where is the fulcrum located?

1

Between the force and the load

2

On one end

3

In the middle

4

On the opposite end of the force

18

Multiple Choice

Which of the following is an example of a second class lever?

1

Scissors

2

Hockey stick

3

Wheelbarrow

4

Hammer

19

Multiple Choice

How many classes of levers are there?

1

Two

2

Three

3

Four

4

Five

20

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21

Multiple Choice

What is the primary function of a lever?

1

To change the direction of the applied force

2

To decrease the amount of effort needed to move an object

3

Both A and B

22

Multiple Choice

A lever decreases the amount of effort you need to put into moving an object by

1
applying more force
2

increasing the distance from the fulcrum

3
decreasing the distance from the fulcrum
4
using a heavier object

23

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24

Multiple Choice

Scissors are made of which two simple machines?

1
pulley and screw
2
wheel and axle
3
inclined plane and screw
4
lever and wedge

25

Multiple Choice

What is a fulcrum?

1
The point on which a lever pivots or rotates.
2
A unit of measurement
3
A type of screw

26

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27

Multiple Choice

What is our next activity?

1
The next activity is to take a nap.
2

The next activity is to calculate our own horsepower.

3
The next activity is to go skydiving.
4
The next activity is to bake a cake.

28

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29

Multiple Choice

Who is pictured on this slide?

1

Mrs. D's supercute grandchild

2

Not this answer!

30

Multiple Choice

What is work?

1

Work is the use of force to move an object

2
Work is the measure of temperature change in a system
3
Work is the measure of distance covered by an object
4
Work is the measure of time spent on a task

31

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32

Multiple Choice

What is force?

1
Force is a push or pull upon an object resulting from the object's interaction with another object.
2
Force is a type of matter
3
Force is a form of energy
4
Force is a color

33

Multiple Choice

When it comes to the motion of everyday objects, however, the forces are mainly

1

Interactions such as gravity, friction, and applied force.

2
Interactions such as heat, sound, and light.
3
Interactions such as inertia, momentum, and velocity.
4
Interactions such as magnetism, tension, and compression.

34

Multiple Choice

What is applied force?

1
Force applied to a person
2
Force applied to a liquid
3
Force applied to the air
4

Force that a person or thing applies to an object.

35

Multiple Choice

What is the unit of force?

1
Kilogram (kg)
2
Meter (m)
3
Joule (J)
4
Newton (N)

36

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37

Multiple Choice

What is the unit for work?

1
watt (W)
2
newton (N)
3
ampere (A)
4
joule (J)

38

Multiple Choice

Explain the Joule

1

The Joule is the amount of work that is done when 1 N of force moves an object over a distance of 1 m.

2
The Joule is a measurement of temperature.
3
The Joule is a type of fruit.
4
The Joule is a unit of time.

39

Multiple Choice

Work is directly related to both the

1
mass and acceleration
2
energy and power
3
velocity and time
4

force and distance/displacement

40

Multiple Choice

What is the equation for work?

1
Work = Force x Distance
2
Work = Energy / Time
3
Work = Velocity x Time
4
Work = Mass x Acceleration

41

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42

Multiple Choice

What is power?

1
Power is the speed at which work is done.
2

Power is a measure of the amount of work that can be done in a given amount of time.

3
Power is the ability to generate electricity.
4
Power is the ability to lift heavy objects.
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