Quiz about Science Cast Practice

Question 1

Why is the scientific method important?

Accepted Answer

It allows other scientists to repeat your process

Answer

Because Mr. Stone makes me do it

Answer

It helps determine variables in an experiment

Answer

Because experiments are fun

Question 2

Variable that the SCIENTIST CHANGES or TESTS.

Accepted Answer

Independent Variable

Answer

Control Variable

Answer

Variable

Answer

Dependent Variable

Question 3

Variable that is MEASURED or OBSERVED; it DEPENDS on the independent variable.

Accepted Answer

Dependent Variable

Answer

Control Variable

Answer

Variable

Answer

Independent Variable

Question 4

Variable that the scientist keeps CONSTANT or the SAME.

Accepted Answer

Control Variable

Answer

Variable

Answer

Dependent Variable

Answer

Independent Variable

Question 5

How do scientists know that their data is accurate?

Accepted Answer

All of the choices are correct.

Answer

Follow their procedure exactly and control all their variables

Answer

Compare results with other scientists that tested the same thing and get similar results

Answer

Repeat the experiment and get similar results

Question 6

Mr. Stone wants to know which brand of paper towels is the strongest. In this experiment, what is the INDEPENDENT variable?

Accepted Answer

Brand of paper towel

Answer

Strength

Answer

Weight

Answer

Environment

Question 7

Mr. Stone wants to know which brand of paper towels is the strongest. In this experiment, what is the DEPENDENT variable?

Accepted Answer

Strength

Answer

Brand of paper towel

Answer

Environment

Answer

Weight

Question 8

Mr. Stone wants to know which brand of paper towels is the strongest. In this experiment, what is the most important CONTROL variable?

Accepted Answer

Weight

Answer

Strength

Answer

Brand of paper towel

Answer

Environment

Question 9

Based on the graph, how many more students are in the science club than the book club?

Accepted Answer

18

Answer

20

Answer

16

Answer

46

Question 10

At which age do the least amount of teens have a cell phone?

Accepted Answer

13

Answer

18

Answer

14

Answer

15

Question 11

How many more miles did Jason drive on Wednesday than on Tuesday?

Accepted Answer

10 miles

Answer

40 miles

Answer

5 miles

Answer

50 miles

Question 12

Energy due to motion is ____________ energy.

Accepted Answer

Kinetic

Answer

Potential

Answer

Energy

Answer

Friction

Question 13

The faster an object moves, the ________ kinetic energy it has.

Accepted Answer

more

Answer

less

Answer

none of the above

Answer

all of the above

Question 14

__________ is stored energy.

Accepted Answer

Potential

Answer

Kinetic

Answer

None of the above

Answer

All of the above

Question 15

Gravitational potential energy depends on the ________ and ________ of the object.

Accepted Answer

Height and mass

Answer

Friction and movement

Answer

Mass and Movement

Answer

Height and Friction

Question 16

What kind of energy is in a rock at the edge of a cliff?

Accepted Answer

Potential

Answer

Kinetic

Question 17

What kind of energy is in a moving skateboard?

Accepted Answer

Kinetic

Answer

Potential

Question 18

At which point is potential energy greatest?

Accepted Answer

W

Answer

X

Answer

Y

Answer

Z

Question 19

At which point is kinetic energy greatest?

Accepted Answer

X

Answer

W

Answer

Y

Answer

Z

Question 20

When a pendulum swings, at which point is kinetic energy highest?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 21

When a pendulum swings, at which point is potential energy at its greatest?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 22

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

Accepted Answer

The potential energy decreases while the kinetic energy increases

Answer

Both the potential energy and kinetic energy decrease

Answer

The kinetic energy decreases while the potential energy increases

Answer

Bothe the potential energy and kinetic energy increase

Question 23

Energy can be _____________ or changed from one type to another.

Accepted Answer

transferred

Answer

destroyed

Answer

created

Answer

ignored

Question 24

Which would have the greatest gravitational potential energy?

Accepted Answer

A 45lb dog in an oak tree

Answer

A 4lb rat on a school desk

Answer

A 14 pound platypus on a swing

Answer

A 45lb child on a bike

Question 25

Which would have the LEAST gravitational potential energy (GPE)?

Accepted Answer

A ball sitting on the ground

Answer

Moon viewed from the Earth

Answer

An airplane flying 30,000 feet above the ground

Answer

A rock sitting on top of Mt. Everest

Question 26

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

Accepted Answer

Raise the object farther off the ground

Answer

Make the object larger

Answer

Lower the object towards the ground

Answer

Allow the object to roll on the ground

Question 27

An automobile you are riding in suddenly stops, but you continue to go forward.

Accepted Answer

Newton's 1st Law - Inertia

Answer

Newton's 2nd Law - F=ma

Answer

Newton's 3rd Law - action:reaction

Question 28

When the force on a car is doubled, the acceleration is doubled.

Accepted Answer

Newton's 2nd Law - F=ma

Answer

Newton's 1st Law - Inertia

Answer

Newton's 3rd Law - action:reaction

Question 29

A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?

Accepted Answer

Newton's 3rd Law - action:reaction

Answer

Newton's 1st Law - Inertia

Answer

Newton's 2nd Law - F=ma

Question 30

Which has more Inertia? (so need more force to move)

Accepted Answer

Truck

Answer

Ant

Answer

A cat

Answer

A skateboard

Question 31

What law of motion does this picture represent?

Accepted Answer

Newtons 3rd law

Answer

Newtons 1st law

Answer

Newtons 4th law

Answer

Newtons 2nd law

Question 32

Speed =

Accepted Answer

distance / time

Answer

time / distance

Answer

distance * time

Question 33

When something has speed in a certain direction it is called ___________.

Accepted Answer

velocity

Answer

motion

Answer

position

Answer

speed

Question 34

An object in motion stays in motion and an object at rest stays at rest UNLESS

Accepted Answer

acted on by an unbalanced force.

Answer

acted on by a balanced force.

Question 35

Acceleration: is the rate of change in ___________.

Accepted Answer

velocity

Answer

speed

Answer

distance

Answer

displacement

Question 36

In each of the following cases, determine where the car has no acceleration ?

Accepted Answer

A car with the cruise control set at 80 km/h

Answer

A car shortly after a stoplight turns green.

Answer

A car approaching a red light

Answer

A car moving down a ramp

Question 37

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

Accepted Answer

16 m/s2

Answer

24 m/s2

Answer

18 m/s2

Answer

16 m/s

Question 38

The picture of the position vs. time graph shows an object that is...

Accepted Answer

accelerating/speeding up

Answer

moving at a constant speed

Answer

not moving

Answer

accelerating/slowing down.

Question 39

Why does a car accelerate as it round a corner at a constant speed?

Accepted Answer

Its direction changes

Answer

It doesn't

Answer

It slows down

Answer

Its speeds up

Question 40

Acceleration only takes place when things speed up.

Accepted Answer

False

Answer

True

Question 41

Which graph shows the object standing still?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 42

Magnetism is generated by moving

Accepted Answer

electrons.

Answer

protons.

Answer

neutrons.

Answer

elements.

Question 43

What do the lines around this magnet represent?

Accepted Answer

Magnetic Field

Answer

North Pole

Answer

South Pole

Answer

Magnetic Declination

Question 44

As the distance between two magnets increases (they get farther apart), the force between them:

Accepted Answer

Decreases

Answer

Increases

Answer

Stays the Same

Question 45

If you cut a magnet in half, what happens to the poles?

Accepted Answer

Both halves get a North pole and a South Pole

Answer

One half gets the North Pole, the other half gets the South Pole

Answer

Both halves get only a North Pole

Answer

Both halves get only a South Pole

Question 46

What is responsible for the Magnetic Field around Earth?

Accepted Answer

The Earth's molton iron core

Answer

The Earth's crust

Answer

The Earth's mantel

Answer

The Sun

Question 47

If the North Pole of a permanent magnet is placed next to a compass as seen in the picture, which direction will the needle move?

Accepted Answer

Clockwise

Answer

Counter-clockwise

Answer

It will not move

Answer

Need more information

Question 48

In un-magnetized materials the domains are __________ aligned.

Accepted Answer

randomly

Answer

super

Answer

slightly

Answer

always

Question 49

The strongest part of a magnet is...

Accepted Answer

the poles.

Answer

the bars.

Answer

the force field.

Answer

the middle.

Question 50

If you place the North pole of a magnet next to the South pole of another magnet, they will:

Accepted Answer

Attract

Answer

Repel

Answer

Do nothing

Answer

Shatter

Question 51

When two magnets repel, they ________________

Accepted Answer

push apart

Answer

change color

Answer

pull together

Answer

get colder

Question 52

Magnetism is a type of ____________

Accepted Answer

force

Answer

book

Answer

plant

Answer

animal

Question 53

When two magnets attract, they ______________

Accepted Answer

pull together

Answer

push apart

Answer

change color

Answer

get colder

Question 54

Magnets that are arranged like this will _______.

Accepted Answer

move towards each other (attract)

Answer

move away from each other (repel)

Question 55

These magnets will _______.

Accepted Answer

move away from each other (repel)

Answer

move toward each other (attract)

Science Cast Practice

55 questions

Why is the scientific method important?

Variable that the SCIENTIST CHANGES or TESTS.

Variable that is MEASURED or OBSERVED; it DEPENDS on the independent variable.

Variable that the scientist keeps CONSTANT or the SAME.

How do scientists know that their data is accurate?

Mr. Stone wants to know which brand of paper towels is the strongest. In this experiment, what is the INDEPENDENT variable?

Mr. Stone wants to know which brand of paper towels is the strongest. In this experiment, what is the DEPENDENT variable?

Mr. Stone wants to know which brand of paper towels is the strongest. In this experiment, what is the most important CONTROL variable?

Based on the graph, how many more students are in the science club than the book club?

At which age do the least amount of teens have a cell phone?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science