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Phys SCience Unit 1-2 Test

Total questions: 59

Worksheet time: 2hrs 37mins

Name
Class
Date
1.

You want to find out how much water an aquarium tank can hold. Which SI measurement unit would you use?

a)

grams

b)

meters

c)

tonnes

d)

liters

2.

Scientific methods are __________ of scientific problem solving.

a)

guesses

b)

hypotheses

c)

random studies

d)

step-by-step procedures

3.

Controls in an experiment __________.

a)

always change

b)

do not change

c)

sometimes change

d)

are seldom used

4.

A __________ describes the behavior of something in nature

a)

theory

b)

hypothesis

c)

law

d)

inference

5.

Which sequence of steps is correct in a process of scientific inquiry?

a)

analyze, hypothesize, conclude, infer

b)

hypothesize, test, analyze, confirm

c)

infer, analyze, communicate, confirm

d)

observe, conclude, analyze, test

6.

This is calculated when you take the total distance traveled and divide by the total time.

a)

Speed

b)

Velocity

c)

Distance

d)

Displacement

7.

This describes an object’s speed and direction

a)

Displacement

b)

Longitude

c)

Latitude

d)

Velocity

8.

The slope on a distance vs. time graph tells you 

a)

Mr. Johnson's age

b)

Speed

c)

Distance

d)

Displacement

9.

The rate of change in velocity is known as

a)

Speed

b)

Displacement

c)

Acceleration

d)

Reference point

10.

How is it possible to have a constant speed but a changing velocity?

a)

Change in direction

b)

Change in speed

c)

Change in distance

d)

Change in time

11.

What does it mean if an object has a negative acceleration?

a)

The object is speeding up

b)

The object is stopped

c)

The object has a constant speed

d)

The object is slowing down

12.

What does a flat line on a velocity vs. time graph mean?

a)

Diaz's level of excitement about Science class

b)

An object moving at a constant speed

c)

An object that is stopped

d)

An object that is speeding up

13.

What does the graph tell you about the object's speed?

a)

Slowing down

b)

Speeding up

c)

Constant speed

d)

Coach Tyree's 40 yard dash speed

14.

A force that opposes motion between two surfaces that are in contact

a)

Friction

b)

Weight

c)

Force

d)

Center of mass

15.

An object at rest stays at rest and an object in motion stays in motion unless acted upon.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

16.

A ball is kicked along the ground across the soccer field but stops short of the goal.

a)

Static friction

b)

Sliding friction

c)

Rolling friction

17.

Forces that do not cancel each other out

a)

Balanced forces

b)

Net forces

c)

Unbalanced forces

18.

When a force acts on an object, the object accelerates in the direction of the force.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

19.

The combination of all forces acting on an object

a)

Unbalanced forces

b)

Balanced forces

c)

Net forces

20.

The point in an object that moves as if all the object's mass were concentrated at that point

a)

Friction

b)

Weight

c)

Force

d)

Center of mass

21.

In which scenario is work = 0 J ?

a)

Pushing a stationary wall

b)

Pulling a trolley car

c)

Pushing a book across the table

d)

Dropping a set of keys from a height, h.

22.

Power depends on force and speed.

a)

True

b)

False

23.

Work is zero if the force has a component in the direction opposite of motion.

a)

True

b)

False

24.

If the net work done on an object is positive, what can you conclude about the object's motion?

a)

The object is speeding up.

b)

The object is moving with a constant velocity.

c)

The object is slowing down.

d)

The object is at rest; its position is constant.

25.

As the heat moves what happens to the molecules?

a)

they begin to move faster

b)

they begin to move slower

c)

they stop moving

d)

they fly off the object

26.

Which color shows molecules moving the SLOWEST?

a)

red

b)

purple

c)

green

d)

blue

27.

Which of these is the smallest?

a)
b)
c)
d)
28.

What does an air conditioner do to the molecules of the air to make it cooler?

a)

sucks the air out of the room

b)

makes them go faster

c)

Makes them slow down.

d)

blows the air around the room

29.

Molecules on earth are always moving until what temperature?

a)

absolute zero

b)

0 C

c)

0 F

d)

-10 C

30.

Heat ALWAYS moves from

a)

cold to hot

b)

hot to cold

c)

it doesn't move

d)

we destroy it

31.

Choose all that are made of cells.

a)

The Rock

b)

Rock music

c)

A rock

d)

people playing rock, paper scissors

32.
A closed path that electric current flows is a
a)
circuit
b)
wire
c)
track
d)
hallway
33.

Opposite charges ____________________.

a)

repel

b)

attract

34.

Like charges ______________________.

a)

repel

b)

attract

35.

In this type of circuit, electricity can flow through multiple different paths.

a)

series circuit

b)

parallel circuit

c)

Ohmmeter circuit

d)

cricut

36.
How is electricity generated in a battery?
a)
through a solar reaction
b)
through kinetic energy
c)
by a chemical reaction
d)
by the flow of particles
37.
What is electricity?
a)
A zap from friction
b)
A thunderbolt thrown by Zeus
c)
Moving electrons
d)
Energy from the air
38.

A material in which electrons are able to move easily is called

a)

Insulator

b)

Conductor

39.

Electricity flows away from which side of the battery?

a)

negative

b)

positive

c)

I have no idea

40.

Electrons are...

a)

positive

b)

negative

c)

neutral

d)

no charge

41.

True or False: There are some batteries that can last forever

a)

True

b)

False

42.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
43.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
44.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
45.
The strongest part of a magnet is...
a)
the bars.
b)
the force field.
c)
the poles. 
d)
the middle.
46.
A simple electromagnet can be made with which of the following?
a)
an electric current
b)
a turbine and nail
c)
a nail, a wire, and a battery
d)
a compass and a battery
47.
If you cut a magnet in half, what happens to the poles?
a)
One half gets the North Pole, the other half gets the South Pole
b)
Both halves get only a North Pole
c)
Both halves get only a South Pole
d)
Both halves get a North pole and a South Pole
48.
2 ways to increase the magnetic force of an electro-magnet
a)
Increase the current flow, reduce the number of coils
b)
Increase the voltage, decrease the number of coils
c)
Increase the number of coils and the current flow
d)
Spread out the coils, replace iron core with rubber.
49.
Resources that take a very long period of time to form.
a)
Nonrenewable
b)
Heat and pressure
c)
Electricity, Gasoline, Hydrogen
d)
Solar (Sun), Wind, Hydropower (Water), Tidal power, Biofuels, Geothermal, etc...
e)
No choice is correct
50.
What type of resources are fossil fuels and nuclear power?
a)
Nonrenewable
b)
Renewable
c)
Heat and pressure
d)
Electricity, Gasoline, Hydrogen
e)
No choice is correct
51.
What are three types of fossil fuels?
a)
Coal, petroleum (oil), and natural gas.
b)
Nonrenewable
c)
Renewable
d)
Heat and pressure
e)
No choice is correct
52.
What are the two main elements found in fossil fuels?
a)
Carbon and hydrogen
b)
Solar (Sun's Energy) to Chemical
c)
Coal, petroleum (oil), and natural gas.
d)
Nonrenewable
e)
No choice is correct
53.
What is the name given to resources that can be replenished over a relatively short period of time.
a)
Renewable
b)
Carbon and hydrogen
c)
Solar (Sun's Energy) to Chemical
d)
Coal, petroleum (oil), and natural gas.
e)
No choice is correct
54.
Give three types of renewable resources.
a)
Solar (Sun), Wind, Hydropower (Water), Tidal power, Biofuels, Geothermal, etc...
b)
Renewable
c)
Carbon and hydrogen
d)
Solar (Sun's Energy) to Chemical
e)
No choice is correct
55.

Give three types of secondary resources that are used to store, move, and deliver energy in a usable form.

a)
Electricity, Gasoline, Hydrogen
b)
Solar (Sun), Wind, Hydropower (Water), Tidal power, Biofuels, Geothermal, etc...
c)
Renewable
d)
Carbon and hydrogen
e)
No choice is correct
56.
Name two factors required to turn dead plant and animal matter into fossil fuels.
a)
Heat and pressure
b)
Electricity, Gasoline, Hydrogen
c)
Solar (Sun), Wind, Hydropower (Water), Tidal power, Biofuels, Geothermal, etc...
d)
Renewable
e)
No choice is correct
57.

What property of this wave is represented by the letter "A"

a)

amplitude

b)

crest

c)

wavelength

58.

What property of the wave is represented by the letter "B"?

a)

amplitude

b)

crest

c)

trough

59.
What is a medium?
a)
something between a small and a large?
b)
the substance through which a wave can travel
c)
a pattern of vibration that simulates when a wave is standing still
d)
the distance from any point on a wave to an identical point on the next wave

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