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Worksheets

Midterm

Total questions: 75

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

_____ is made of elements from the periodic table.

a)

All matter

b)

Most matter

c)

Some matter

d)

No matter

2.

Throughout most of the atom is _____.

a)

protons

b)

neutrons

c)

electrons

d)

empty space

3.

Which of the following is true?

a)

The protons and electrons are found in the nucleus, while neutrons are in the cloud outside the nucleus

b)

The protons and neutrons are in the nucleus, while the electrons are in the cloud outside the nucleus

c)

The neutrons are in the nucleus, while the protons and electrons are in the cloud outside the nucleus

d)

The electrons and neutrons are in the nucleus, while the protons are in the cloud outside the nucleus

4.

The formula AgN03represents a compound made of which atoms?

a)

1Ag, 1N, 1O

b)

1Ag, 1N, 3O

c)

1Ag, 3N, 3O

d)

3Ag, 3N, 3O

5.

In the nucleus, you will find _____.

a)

protons, neutrons, and electrons

b)

protons and electrons

c)

electrons and neutrons

d)

protons and neutrons

6.

Which of the following are a similar size?

a)

protons, neutrons, and electrons

b)

protons and electrons

c)

electrons and neutrons

d)

protons and neutrons

7.

Which is the smallest?

a)

protons

b)

electrons

c)

neutrons

d)

all the same size

8.

Which is negatively charged?

a)

protons

b)

electrons

c)

neutrons

d)

all the same charge

9.

Which is positively charged?

a)

protons

b)

electrons

c)

neutrons

d)

all the same charge

10.

The majority of the mass in the atom is in the _____.

a)

nucleus

b)

outer ring or valence ring

c)

protons

d)

electrons

11.

Protons and electrons attracted to each other because _____.

a)

both are negatively charged

b)

protons are positively charged and electrons are negatively charged

c)

electrons are positively charged and protons are negatively charged

d)

both are positively charged

12.

As a hot liquid cools, _____

a)

the energy decreases and the particle motion decreases

b)

the energy increases and the particle motion decreases

c)

the energy decreases and the particle motion increases

d)

the energy increases and the particle motion increases

13.

The correct order for biggest to smallest is _____.

a)

nucleus, neutrons, protons, electrons

b)

nucleus protons, neutrons, electrons

c)

neutrons, nucleus, protons electrons

d)

electrons, protons, neutrons, nucleus

14.

How many protons?

a)

4

b)

9.0122

c)

13.0122

d)

5.0122

15.

A substance that has been chemically made from other plants, minerals or other materials is called ____.

a)

natural

b)

synthetic

c)

chemical

d)

all of these

16.

_____ is when a solid goes directly into a gas.

a)

Sublimation

b)

Vaporization

c)

Condensation

d)

fusion

17.

How many neutrons?

a)

4

b)

9.0122

c)

13.0122

d)

5.0122

18.

How many electrons?

a)

4

b)

9.0122

c)

13.0122

d)

5.0122

19.

A substance that can be found in plants, animals, or the ground is called ____.

a)

natural

b)

synthetic

c)

chemical

d)

all of these

20.

What do water vapor, liquid water, and ice all have in common?

a)

same chemical properties

b)

same physical properties

c)

same crystal lattice structure

d)

same energy

21.

When a gas turns into a liquid, it is called _____.

a)

condensation

b)

evaporation

c)

sublimation

d)

deposition

22.

Which order correctly shows most energy to least energy for these states of matter.

a)

solid liquid gas

b)

gas liquid solid

c)

liquid gas solid

d)

gas solid liquid

23.

Which type of heat transfer is responsible for the lava lamp's movement and warm air rising, cooling and falling

a)

convection

b)

conduction

c)

radiation

d)

realization

24.

Which type of heat transfer is from the sun warming the sand?

a)

convection

b)

conduction

c)

radiation

d)

realization

25.

Which type of heat transfer is when the sand or sidewalk burns your bare feet on a hot day?

a)

convection

b)

conduction

c)

radiation

d)

realization

26.

Which type of heat transfer is in waves or particles?

a)

convection

b)

conduction

c)

radiation

d)

realization

27.

Which is correct?

a)

Heat can only transfer through direct contact.

b)

Heat and temperature are the same

c)

Heat travels from hotter objects to cooler objects.

d)

Heat moves from cooler objects to hotter objects.

28.

When moving from a liquid water to a gas, _____.

a)

you need more energy and no bonds

b)

you need less energy and less bonds

c)

you need more energy and more bonds

d)

all of these

29.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
30.
How much space an object takes up is the 
a)
mass
b)
volume 
c)
weight 
d)
density
31.
The graduated cylinder has a volume of 50 mL.  You drop a tennis ball in the cylinder.  The volume rises to 88 ml.  What is the volume of the tennis ball?
a)
50 mL
b)
80 mL
c)
38 mL
d)
88 mL
32.
The graduated cylinder has a volume of 50 mL.  You drop a tennis ball in the cylinder.  The volume rises to 88 ml.  What is the volume of the tennis ball?
a)
50 mL
b)
80 mL
c)
38 mL
d)
88 mL
33.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
34.
How strongly gravity pulls on an object is 
a)
mass
b)
volume
c)
weight
d)
density
35.
What is the law of conservation of mass?
a)
The amount of matter changes when reacted or changed.
b)
The mass of all reactants are changed during a physical or chemical change
c)
The mass of the reactants equals the mass of the products
d)
The mass of the products is different than the mass of the reactants.
36.
Suppose a reaction were to happen in an open container in a lab.  During the reaction, the scientist observes the chemicals bubble, and produce a gas.   During the analysis the scientist notices that the reactants weighed 20 g when he started, and the product weighed 18 g.  Explain what happened.  
a)
His chemical reaction defied the law of conservation of mass
b)
The product destroyed mass during the reaction
c)
The reactants created matter during the reaction
d)
The gas that was produced was not able to be weighed since the container was open.  
37.
What are the REACTANTS :
H2O + CO2 → HCO + HO
a)
H2O and CO2
b)
HCO and HO
c)
H2O ONLY
d)
HCO ONLY
38.
Another word for REACTANT could be:
a)
product
b)
finish
c)
ingredient 
d)
fleek
39.
Which of the following are PRODUCTS?
H2O + CO2 → HCO + HO
a)
H2O and CO2
b)
HCO and HO
c)
H2O ONLY
d)
HCO ONLY
40.
What is another way of saying PRODUCT? 
a)
ingredient
b)
what you finish with
c)
fleek
d)
starter
41.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
42.
Sydnee mixes a solution of baking soda and water. The initial temperature of the solution is 22⁰C. She adds 10mL of vinegar and takes the temperature again. The final temperature is 17⁰C. Which of the following is true?
a)
The reaction is exothermic
b)
The reaction is endothermic
c)
ΔH is negative
d)
The reaction lost heat to the environment.
43.
Which of the following statesments explains the law of conservation of energy?
a)
Energy is needed to break chemical bonds
b)
An exothermic reactions releases energy
c)
Light energy is released by some exothermic reactions
d)
In a chemical reaction, energy is neither created nor destroyed, but can change form
44.
When you stretch a rubber band, you are storing __________ energy. 
a)
kinetic 
b)
potential
c)
none of the above
d)
all of the above 
45.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
46.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
47.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
48.

When two equal forces act in opposite directions on an object, they are called ______________________.

a)

frictional force

b)

balanced force

c)

centripetal force

d)

gravitational force

49.

When an unbalanced force acts on an object, the force ______________________.

a)

changes the motion of the object

b)

is cancelled by another force

c)

does not change the motion of an object

d)

is equal to the weight of the object

50.
The force of attraction between all matter.
a)
inertia
b)
friction
c)
net force
d)
gravity
51.
Gravity is increased with...
a)
greater mass & shorter distance
b)
greater mass & farther distance
c)
lower mass & shorter distance
d)
lower mass & farther distance
52.
A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is it's force?
a)
50 Newtons
b)
5 Newtons
c)
20 Newtons
d)
9.5 Newtons
53.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
54.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
55.
A swimmer pushes water back with her arms but her body moves forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
56.
Who is the scientist who came up with the Laws of Motion?
a)
Sir Issac Newton
b)
The Greeks
c)
John Dalton
d)
Sir John Newt
57.
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
58.
Looking at the drawing. If you tried to move these 2 magnets closer together, what would you feel?
a)
Push Away
b)
Pull Closer together
c)
No Force
d)
Let the Force be with YOU
59.
Why does a compass needle point north?
a)
The compass is a bar magnet
b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field
60.
Where would you have more mass, on Earth or on the Moon?
a)
Earth
b)
Moon
c)
IS THE SAME, mass DOESN'T CHANGE
d)
In both Planets.
61.
If Earth's mass was cut in half, what would happen to your weight?
a)
Increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, weight is not affected by gravitational force
62.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
63.

Seasons are caused by

a)

the changing distance of Earth from the Sun

b)

the rotation of Earth on it's axis

c)

the changes in the tilt of the Earth's rotation axis

d)

the tilt of Earth's axis as it revolves around the sun

64.

The different amounts of daylight an area experiences throughout the seasons is caused by

a)

Earth's changing speed of revolution

b)

the varying energy of the Sun

c)

Earth's tilt on its axis

d)

Earth's changing speed of rotation

65.

What force keeps Earth in a circular orbit around the Sun?

a)

gravity

b)

atomic fusion

c)

force of rotation

d)

an object in motion stays in motion

66.

What will the moon look like on May 17th?

a)

a

b)

b

c)

c

d)

d

67.

Which would produce a lunar eclipse?

a)

Earth Moon & Sun must be at right angles from each other

b)

Earth must be between the Moon and Sun

c)

The Moon must be in a direct line between Earth and the Sun

d)

The Sun must be between the Moon and the Earth

68.

The moon makes a complete revolution around Earth in

a)

365 1/4 days

b)

24 hours

c)

27 days

d)

1 day

69.

When the moon is waxing it is

a)

becoming less full as it move towards new moon phase

b)

becoming more full as it move towards new moon phase

c)

becoming more full as it move towards the full moon phase

d)

becoming less full as it move towards full moon phase

70.

How much of the Moon's bright side can be seen from earth during a new moon?

a)

100%

b)

0%

c)

10%

d)

50%

71.

How much of the Moon's bright side can be seen from earth during a full moon?

a)

0%

b)

50%

c)

100%

d)

10%

72.

Piloting a ship by moonlight would be most difficult during a

a)

3rd quarter Moon

b)

full Moon

c)

new Moon

d)

1st quarter Moon

73.

Which season is the United States in during position 3?

a)

Fall

b)

Spring

c)

Winter

d)

Summer

74.

Which season is the United States in during position 1?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

75.

When the United States in in Summer, Australia is in

a)

Summer

b)

Fall

c)

Winter

d)

Spring

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