Quiz about Unit E Midpoint Review

Question 1

What is this graph showing?

Accepted Answer

Gradually speeding up

Answer

Gradually slowing down

Answer

Constant speed

Answer

Stopped

Question 2

What is this graph showing?

Accepted Answer

At rest

Answer

Acceleration

Answer

Constant speed of 1 m/s

Answer

Gradually speeding up

Question 3

What is this graph showing?

Accepted Answer

Gradually slowing down

Answer

Constant speed

Answer

Gradually speeding up

Answer

At rest

Question 4

Question 4.

Accepted Answer

Speeding up constantly

Answer

Accelerating gradually

Answer

Stopping

Answer

Slowing down constantly

Question 5

What is this graph showing?

Accepted Answer

Constantly slowing down

Answer

Constantly speeding up

Answer

Acceleration

Answer

Returning to starting point

Question 6

What is this graph showing?

Accepted Answer

Two objects speeding up constantly

Answer

Two objects slowing down constantly

Answer

Two objects accelerating

Answer

Two objects at rest

Question 7

What is this graph showing?

Accepted Answer

Slow constant speed

Answer

Fast constant speed

Answer

Accelerating

Answer

At rest

Question 8

What is the graph showing?

Accepted Answer

Slowing down moving away from start

Answer

Slowing down moving toward start

Answer

Speeding up moving toward start

Answer

Speed up moving away from start

Question 9

What is the graph showing?

Accepted Answer

Constant speed towards start

Answer

Constant speed away from start

Answer

Acceleration away from start

Answer

Acceleration towards start

Question 10

Question 10.

Accepted Answer

Speeds up while toward start

Answer

Slows down toward start

Answer

Slows down away from start

Answer

Speeds up away from start

Question 11

Question 11.

Accepted Answer

Speeds up while toward start

Answer

Slows down toward start

Answer

Slows down away from start

Answer

Speeds up away from start

Question 12

What is the graph showing?

Accepted Answer

Constant speed away from start

Answer

Constant speed toward start

Answer

Accelerating away from start

Answer

Stopped toward start

Question 13

What is the graph showing?

Accepted Answer

Stopped

Answer

Constant high speed

Answer

Accelerating

Answer

Constant low speed

Question 14

45 m/s² is the...

Accepted Answer

Acceleration

Answer

Mass

Answer

Force

Answer

weight

Question 15

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)

Accepted Answer

The one with a mass of .52 kg will have the greatest acceleration.

Answer

The one with a mass of .78 kg will have the greatest acceleration.

Answer

They will both accelerate at the same rate.

Question 16

A 20 kg bike accelerates at 10 m/s². what was the force?

Accepted Answer

200 Newtons

Answer

25 Newtons

Answer

20 Newtons

Answer

10 Newtons

Question 17

Unit of mass

Accepted Answer

kg

Answer

m/s 2

Answer

m/s

Answer

newtons

Question 18

The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?

Accepted Answer

Object 4

Answer

Object 1

Answer

Object 2

Answer

Object 3

Question 19

Examine the table provided. Which of the objects is producing the greatest force?

Accepted Answer

Marble

Answer

Soccer Ball

Answer

Tennis Ball

Answer

Ping-Pong Ball

Question 20

A force of 90N is applied to each cart below, which one will accelerate the fastest?

Accepted Answer

Cart 1

Answer

Cart 2

Answer

Cart 3

Answer

Cart 4

Question 21

Some skateboarders use a structure called a half-pipe, like the one shown, to perform impressive tricks. Which of the positions will provide a skateboarder with the GREATEST potential energy?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 22

Some skateboarders use a structure called a half-pipe, like the one shown, to perform impressive tricks. Which of the positions will provide a skateboarder with the GREATEST kinetic energy?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 23

The table shows the speed and height over time of a ball that starts at rest, then is dropped from the top of a building, which is 60 meters (m) tall. Use the table to answer any questions that follow.

At which time is the ball's potential energy at its maximum?

Accepted Answer

0.0 s

Answer

0.5 s

Answer

2.0 s

Answer

2.5 s

Question 24

The diagram illustrates four phases of a model rocket's flight. Use the diagram to answer any questions that follow.

When is the rocket's potential energy decreasing and its kinetic energy increasing?

Accepted Answer

when the rocket is free falling, only

Answer

when the rocket's motor is burning and when the rocket is free falling

Answer

when the rocket's motor is burning and when the rocket is ascending

Answer

when the rocket is at the peak of flight, only

Question 25

The diagram illustrates four phases of a model rocket's flight. Use the diagram to answer any questions that follow.

When is the rocket's potential energy increasing and its kinetic energy decreasing?

Accepted Answer

when the rocket's motor is burning and when the rocket is ascending

Answer

when the rocket's motor is burning and when the rocket is free falling

Answer

when the rocket is at the peak of flight, only

Answer

when the rocket is free falling, only

Question 26

The table shows the speed and height over time of a ball that starts at rest, then is dropped from the top of a building, which is 60 meters (m) tall. Use the table to answer any questions that follow.

What is happening to the ball's energy at a time of 1.5 seconds?

Accepted Answer

The ball's kinetic energy is increasing and its potential energy is decreasing

Answer

The ball's kinetic energy is decreasing and its potential energy is decreasing

Answer

The ball's kinetic energy is decreasing and its potential energy is increasing

Answer

The ball's kinetic energy is increasing and its potential energy is increasing

Question 27

The picture shows the path of a ball on a track. Use the picture to answer any questions that follow. Which series shows decreasing potential energy and increasing kinetic energy?

Accepted Answer

S, T, U

Answer

T, Y, Z

Answer

W, X, Y

Answer

V, X, Z

Question 28

The picture shows the path of a ball on a track. Use the picture to answer any questions that follow. Which series shows decreasing kinetic energy and increasing potential energy?

Accepted Answer

W, X, Y

Answer

T, Y, Z

Answer

S, T, U

Answer

V, X, Z

Question 29

1. Damon made the graph below to compare the speed limits on four different roads in his county. He converted the speed limits from miles per hour to miles per minute to get a closer comparison. Which road has the slowest speed limit?

Accepted Answer

Road A

Answer

Road B

Answer

Road C

Answer

Road D

Question 30

Speed is equal to

Accepted Answer

Distance/Time

Answer

Time/Distance

Answer

Time x Distance

Answer

Acceleration

Question 31

A person walked 10 miles.  It took them 2 hours.  How fast were they walking?

Accepted Answer

5 mph

Answer

8 mph

Answer

2 mph

Answer

10 mph

Question 32

Which runner won the race?

Accepted Answer

A

Answer

B

Answer

C

Answer

It was a tie

Question 33

How will this object move?

Accepted Answer

It will move to the right.

Answer

It won't move.

Answer

It will move to the left.

Answer

It will move up.

Question 34

What do you think the cyclist is doing between 11am and 1pm?

Accepted Answer

The cyclist has stopped for lunch

Answer

The cyclists is riding at a constant speed on flat ground

Answer

The cyclist is practicing sprints

Answer

The cyclist is riding up a hill

Question 35

1. Gordon is making a list of forces for his science class. Which of the following should Gordon not list as a force?

Accepted Answer

Mass

Answer

Gravity

Answer

Friction

Answer

Push or Pull

Question 36

1. The ball in the diagram below is thrown up into the air and follows the path shown. What causes the ball to follow the path beyond Point B?

Accepted Answer

Gravity

Answer

Power

Answer

Electrical Charge

Answer

Magnetic Attraction

Question 37

1. Luis rubbed a balloon on his hair and held the balloon next to the wall. He observed the balloon stick to the wall. Which of the following is responsible for the balloon sticking to the wall?

Accepted Answer

Electrical Force

Answer

Gravity

Answer

Friction

Answer

Magnetic Force

Question 38

1. Forces that act at a distance include electrical force and gravitational force. What other type of force acts at a distance?

Accepted Answer

Magnetic Force

Answer

Friction

Answer

Contact Force

Answer

Conduction

Question 39

What is a Force?

Accepted Answer

A push or pull

Answer

The distance

Answer

Mass

Answer

Give me a  failing grade

Question 40

What is the force that causes objects to fall to Earth?

Accepted Answer

Gravity

Answer

Air resistance

Answer

Water resistance

Answer

Pressure

Question 41

The north pole of one magnet will be attracted to the __________ pole of another magnet.

Accepted Answer

south

Answer

east

Answer

north

Answer

west

Question 42

When placed at equal distances apart, the greatest gravitational attraction will be between two

Accepted Answer

school buses

Answer

skateboards

Answer

bowling balls

Question 43

Which is needed to determine the amount of gravitational force between two objects?

Accepted Answer

distance and mass

Answer

weight and time

Answer

area and weight

Question 44

The gravitational force exerted by an object depends on its

Accepted Answer

mass

Answer

volume

Answer

weight

Question 45

Complete the following statement: The farther away two planets are the _______ the gravitational force between them.

Accepted Answer

less

Answer

more

Answer

same

Answer

dosen't matter

Question 46

Cindy decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it, but found that the dresser would not move.

What force was Cindy NOT able to overcome?

Accepted Answer

frictional force

Answer

electrical force

Answer

magnetic force

Answer

balanced force

Question 47

A contact force is from

Accepted Answer

objects physically touching

Answer

far apart objects

Answer

not touching object

Answer

always a pull

Question 48

A non-contact force is between

Accepted Answer

two objects that aren't touching

Answer

two objects that are touching

Answer

the ground and wheels

Answer

you and me

Question 49

The three examples pictured are of

Accepted Answer

Contact Forces

Answer

Non-contact Forces

Question 50

Which runner has the fastest constant speed?

Accepted Answer

A

Answer

B

Answer

C

Answer

Not enough information to tell

Question 51

Which runner has the slowest constant speed?

Accepted Answer

C

Answer

A

Answer

B

Answer

Not enough information to tell

Question 52

Using the table, which graph shows Emanuel's bike trip?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 53

How long is the object returning to start?

Accepted Answer

3 seconds

Answer

2 seconds

Answer

5 seconds

Answer

8 seconds

Question 54

What is a factor, usually being measured or observed, that responds to, or depends on, another factor.

Accepted Answer

Dependent Variable

Answer

Independent Variable

Answer

Controlled Variable

Answer

Hypothesis

Question 55

What is the reproduction of a scientific investigation by another person to ensure accuracy.

Accepted Answer

Replication

Answer

Repetition

Question 56

What are making multiple sets (trials) of measurements or observations in a scientific investigation.

Accepted Answer

Repetition

Answer

Replication

Question 57

We tested the effect of water temperature on how fast a sugar cube dissolves. What was the independent variable?

Accepted Answer

Water Temperature

Answer

Time to Dissolve

Answer

Amount of Water

Answer

Beaker Size

Question 58

We tested the effect of water temperature on how fast a sugar cube dissolves. What was the dependent variable?

Accepted Answer

Time for Sugar cube to Dissolve

Answer

Amount of Water

Answer

Temperature of Water

Answer

Type of Beaker

Question 59

Why did each group test the amount of drops of water a penny could hold before changing their variable?

Accepted Answer

It is the control and serves as the basis for comparison

Answer

It provides more data to include in a lab report

Answer

It ensures that the hypothesis will be correct

Answer

It adds an independent variable to the experiment.

Question 60

We tested the effect of water temperature on how fast a sugar cube dissolves. What was NOT a controlled variable?

Accepted Answer

Temperature of Water

Answer

Size of Sugar Cube

Answer

Size of Beaker

Answer

Amount of Water

Question 61

How many variables should be changed in an experiment?

Accepted Answer

ONE

Answer

TWENTY

Answer

THREE

Answer

TEN

Unit E Midpoint Review

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