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Topic 4 Review

Total questions: 72

Worksheet time: 17mins

Name
Class
Date
1.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
2.
Electrons can be found in
a)
The protons
b)
The nucleus
c)
Electron Clouds
3.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

4.
The smallest particle of an element that shows all the properties of that element.
a)
Subatomic Particles
b)
Atom
c)
Quarks
d)
Gluons
5.

Something that takes up space and has mass.

a)

volume

b)

matter

c)

mass

d)

density

6.

A state of matter that has a definite volume and shape.

a)

solid

b)

liquid

c)

gas

d)

matter

7.

Atoms are made up of what 3 parts?

a)

positive, negative, and neutral

b)

protons, neutrons, and electrons

c)

molecules, atoms, particles

d)

water, hydrogen, oxygen

8.

Any time two atoms join together, they form a(n)

a)

element

b)

atom

c)

molecule

d)

neutron

9.

a pure substance that is made from a single type of atom.

a)

proton

b)

molecule

c)

element

d)

neutron

10.

If an element has 6 protons, how many electrons does it have?

a)

6

b)

4

c)

2

d)

1

11.
An atom's overall charge is ________.
a)
positive 
b)
depends
c)
neutral 
d)
negative 
12.

The....................... is a substance containing two or more different kinds of atoms.

a)

compound

b)

mixture

c)

solution

d)

element

13.

What is a substance formed by 2 or more atoms joined together?

a)

molecule

b)

atom

c)

compound

14.

When you heat matter, what happens to the atoms and molecules?

a)

they stop moving

b)

they move slower

c)

they move faster

d)

they stay the same

15.

When you cool matter, what happens to the atoms and molecules?

a)

they stop moving

b)

they move slower

c)

they move faster

d)

they stay the same

16.
When two or more elements chemically combine
a)
element
b)
compound
c)
mixture
d)
solution
17.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
18.

The atomic theory states....

a)

Everything takes up space and has mass.

b)

The material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena.

c)

Everything is made of particles that are too small to be seen.

d)

Atoms are the building blacks of everything.

19.

Which best explains why

a full glass bottle of water

should not be stored in a freezer?

a)

The temperature of the freezer will make the water too cold.

b)

Water expands when it freezes, and could break the bottle.

c)

Water contracts when it freezes, and could break the bottle.

d)

The temperature of the freezer will not make the water cold.

20.

Manuel was having trouble opening a new glass jar of pickles. His father told Manuel to hold the metal lid of the jar under running hot water for a few seconds, then try again. Then the lid opened easily. What is the most likely reason Manuel’s father suggested using hot water to loosen the lid?

a)

Metals expand when they are heated.

b)

Metals are easier to grip when they are warm.

c)

Glass contracts when it is heated.

d)

Hot water reduces friction between metal and glass.

21.

What happens to metal railroad tracks during the heat of a summer day?

a)

Decrease in length

b)

Increase in length

c)

Decrease in weight

d)

Increase in weight

22.
Which material is 
most likely to expand 
if exposed to freezing temperatures? 
a)
iron
b)
wood
c)
water
d)
plastic
23.

What is being demonstrated in this diagram?

a)

Heat causes gases to contract.

b)

Heat causes gases to expand.

c)

As air cools, air currents flow clockwise.

d)

As air cools, air currents flow counterclockwise.

24.

Which of the

following does NOT produce a new substance?

a)

Drawing on paper

b)

Baking bread

c)

Fireworks

d)

Cooking an egg

25.

Mrs. Revak melts 20 ounces of chocolate. Which best describes the weight of the melted chocolate?

a)

10 ounces

b)

15 ounces

c)

20 ounces

d)

25 ounces

26.

What happens to water vapor just before it condenses?

a)

The water vapor gains heat energy.

b)

The water vapor loses heat energy.

c)

The water vapor shrinks.

d)

The water vapor disappears.

27.
The amount of space something takes up
a)
density
b)
volume
c)
mass
d)
matter
28.

Matter has to main properties mass and volume

a)
True
b)
False
29.
Solids have a definite _______________.
a)
smell
b)
shape
c)
picture
d)
sound
30.
Liquid matter takes the shape of _______.
a)
a gas
b)
water
c)
a pet
d)
Its container
31.

Vaporization/ evaporation is the change of physical state from _______ to _______.

a)

gas to liquid

b)

liquid to gas

c)

solid to gas

d)

gas to solid

32.
Substance with a DEFINITE volume, but NO definite shape...
a)
solid
b)
liquid
c)
gas
33.
Substance with a DEFINITE shape and DEFINITE volume...
a)
solid
b)
liquid
c)
gas
34.
Substance that fills its container and can "spill" out into more space...
a)
solid
b)
liquid
c)
gas
35.
The particles in a solid are...
a)
vibrating and closely packed together
b)
vibrating and loosely packed together
c)
not moving at all
36.
Temperature measures...
a)
The amount of matter in an object.
b)
how fast or slowly molecules are moving.
c)
the amount of space an object takes up.
37.

Which state of matter has NO definite volume and NO definite shape?

a)

Solid

b)

Liquid

c)

Gas

38.
Iron + oxygen = rust is an example of a ___________.
a)
physical property/change
b)
chemical property/change
c)
mass
d)
volume
39.
Which statement about atoms is true?
a)
They are all the same
b)
All substances are made of just one kind
c)
You can see them with your eyes
d)
They are too small to be seen with an ordinary microscope
40.
What phase of matter is represented by the particle model?
a)
Solid
b)
Liquid
c)
Gas
41.
What phase of matter is represented by the particle model?
a)
Solid
b)
Liquid
c)
Gas
42.
Describe the particles in model.
a)
Definite shape and definite volume, close together, slow movement of particles bumping into each other.
b)
No definite shape, but has a definite volume and some space for particles to flow freely allowing the substance to move
c)
No definite shape or definite volume, lots of space between particles, particles moving very fast all over
43.
Describe the particles in model.
a)
Definite shape and definite volume, close together, slow movement of particles bumping into each other.
b)
No definite shape, but has a definite volume and some space for particles to flow freely allowing the substance to move
c)
No definite shape or definite volume, lots of space between particles, particles moving very fast all over
44.
Changing gas to a liquid is called
a)
evaporation
b)
condensation
c)
melting
d)
freezing
45.
Julie is colleting information about the physical properties of a rock. She puts water in a graduated cylinder. Then she puts the rock into the cylinder. What information can Julie collect from the graduated cylinder?
a)
the rocks mass
b)
the rocks temperature
c)
the rocks texture
d)
the rocks volume
46.
How is a mixture different from a compound?
a)
A mixture is two or more substances chemically combined and a compound is not.
b)
A mixture is the combination of two or more substances and a compound is a chemical combination of two or more elements
c)
A mixture has air and a compound doesn't
d)
All of the above are correct
47.
Why do water particles speed up when you add heat to them?
a)
They are excited, so they move more
b)
Energy is being removed which makes them speed up
c)
Heat energy is being added which caused the particles to speed up
d)
They are undergoing condensation
48.

Evaporation is the change of state from ___________ to __________

a)

liquid to gas

b)

solid to liquid

c)

gas to liquid

49.

Evaporation happens

a)

throughout the liquid

b)

at the surface of a liquid

50.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
51.

Sam kept some water out side in the sun next day he saw nothing in the glass what happen to the water?

a)

It disappeared

b)

It evaporated

c)

Magic

52.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
53.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
54.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
55.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
56.
Which of these is a result of a chemical change?
a)
A mixture
b)
A solution
c)
A new substance
d)
Melting or freezing
57.
Water freezing
a)
Chemical Change
b)
Physical Change
58.
Boiling water
a)
Chemical Change
b)
Physical Change
59.

Which of the following is observed here?

a)

A physical change because you have the same types of atoms

b)

A physical change because you are just breaking the atoms up

c)

A chemical change because you are forming a new substance

d)

A chemical change because atoms are involved

60.
Is "a glass of milk becoming sour" physical or chemical?
a)
Chemical change
b)
Physical change
61.
in chemical reaction,___ rearrange to form new substances.
a)
atoms
b)
product
c)
reactants
d)
bonds
62.
Chemical changes occur when existing _______ break and new bonds form
a)
Reactants
b)
Bonds
c)
Energy
d)
Products
63.

solute + solvent =

a)

solution

b)

equation

64.
a)

solvent

b)

solute

65.

Solutes dissolve quicker in _________ water.

a)

cold

b)

warm

66.

Solutes dissolve quicker if you stir them.

a)

true

b)

false

67.
When a liquid reaches the temperatures of its ___, it can become a gas.
a)
melting point
b)
freezing point
c)
boiling point
d)
density
68.

Melting Point of ice is

a)

100 degrees Celsius

b)

0 degrees Celsius

c)

0 degrees Fahrenheit

69.

A substance has a melting point of 25 oC and a boiling point of 235 oC. What state is it at 5oC?

a)

Solid

b)

Liquid

c)

Gas

70.

The melting and boiling point of a substance are physical changes.

a)

true

b)

false

71.
The freezing and melting points of water are the same.
a)
True
b)
False
72.
What is happening at the boiling point?
a)
liquid to gas
b)
gas to liquid
c)
solid to liquid
d)
liquid to solid

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