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Unit 1 Test Review

Total questions: 65

Worksheet time: 45mins

Name
Class
Date
1.

When sugar dissolves in water a ______________ change occurs.

a)

Physical change

b)

Chemical Change

2.

Cracking an egg is a ________________ change.

a)

Physical Change

b)

Chemical Change

3.

Burning Sugar is an example of a ________________ change.

a)

Physical Change

b)

Chemical Change

4.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
5.
Which example best describes a physical change?
a)
iron rusting
b)
charcoal burning
c)
an ice cube melting
d)
a marshmallow burning
6.
a rusting bicycle
a)
physical change
b)
chemical change
7.
fireworks exploding
a)
physical change
b)
chemical change
8.
a)
physical change
b)
chemical change
9.
freezing chocolate covered bananas
a)
physical change
b)
chemical change
10.
Ripping up paper ...
a)
Chemical Change
b)
Physical Change
11.
Bubbles form when two or more substances are combined ...
a)
Chemical Change
b)
Physical Change
12.
Causes a change in temperature ...
a)
Chemical Reaction
b)
Physical Reaction
13.
Evidence of a physical change.
a)
New substance
b)
Shape Change
c)
Light produced
d)
Gas released.
14.
Melting a chocolate bar?
a)
Physical Change
b)
Chemical Change 
15.

Which of these is a property of metals?

a)

It's malleable

b)

It's an insulator

c)

It's very brittle

16.

Which element category could have the characteristic of brittle? Choose the best answer.

a)

Metal

b)

Nonmetal

c)

Metalloid

d)

Metalloid and Nonmetal

17.

Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?

a)

Metal

b)

Nonmetal

c)

Metalloid

18.

All of these properties describe metals except...

a)

malleable

b)

conductors

c)

brittle

d)

shiny

19.
One property of a nonmetals is that it is a good conductor of electricity?
a)
true
b)
false
20.

All of the following would classify an element as a metal except?

a)

Dull

b)

Lustrous

c)

Malleable

d)

Conductor

21.
a)

Metal

b)

Nonmetal

c)

Metalloid

22.
a)

Metal

b)

Nonmetal

c)

Metalloid

23.
a)

Metal

b)

Nonmetal

c)

Metalloid

24.
a)

Metal

b)

Nonmetal

c)

Metalloid

25.
a)

Metal

b)

Nonmetal

c)

Metalloid

26.
a)

Metal

b)

Nonmetal

c)

Metalloid

27.
a)

Metal

b)

Nonmetal

c)

Metalloid

28.

A characteristic of a pure substance that can be observed without changing it into another substance

a)

physical property

b)

mass

c)

volume

d)

solubility

29.

The temperature at which a solid becomes a liquid

a)

melting point

b)

boiling point

c)

pure substance

d)

matter

30.

anything that has volume and mass

a)

matter

b)

pure substance

c)

physical propert

d)

weight

31.

the amount of matter in an object

a)

mass

b)

weight

c)

density

d)

physical propert

32.

the amount of matter in a given space or volume

a)

density

b)

mass

c)

weight

d)

solubility

33.

The temperature at which a liquid changes to a gas

a)

boiling point

b)

melting point

c)

pure substance

d)

matter

34.

The amount of space an object takes up or occupies

a)

volume

b)

density

c)

weight

d)

mass

35.

the ability of one substance to dissolve in another at a given temperature and pressure

a)

solubility

b)

volume

c)

density

d)

boiling point

36.

A substance made of only one kind of matter and having definite properties

a)

pure substance

b)

physical propert

c)

volume

d)

solubility

37.

A characteristic of a pure substance that describes its ability to change into different substances

a)

chemical property

b)

physical property

c)

matter

d)

density

38.

A student is pouring equal amounts of water, maple syrup, and cooking oil into a glass beaker and looking at how the layers settle. Which property of the liquids is the student MOST likely comparing?

a)

density

b)

mass

c)

temperature

d)

volume

39.

A student determined the volume of an ice cube. After the ice melted, the student determined the volume of the water. The volume of the water was less than the volume of the ice. Which statement BEST explains the difference between the two volumes?

a)

Some matter in the ice was converted into heat during melting.

b)

Some of the matter was destroyed when the ice melted.

c)

Water is denser than ice, so water takes up less space.

d)

Water is less dense than ice, so it takes up less space.

40.

A student was given the volume and description of a substance and was asked to determine its density. What information is missing?

a)

size

b)

mass

c)

boiling point

d)

melting point

41.

A group of students is conducting a density experiment with two blocks. Block 1 has more mass and less volume than Block 2. Based on this information, the student can correctly conclude that

a)

both blocks have densities less than water’s density.

b)

both blocks have densities greater than water’s density.

c)

Block 1 has a higher density than Block 2.

d)

Block 1 has a lower density than Block 2.

42.

Which of the following represents an element?

a)

H2O

b)

NaCl

c)

H2

d)

CaCO3

43.

Which of the following is not a compound?

a)

HCl

b)

NaCl

c)

Cl

d)

CO2

44.

Salt has a chemical formula of NaCl. Salt is a...

a)

Compound

b)

Mixture

c)

Element

d)

None of the Above

45.

What cannot be broken down into other substances?

a)

Compound

b)

Solids

c)

Mixture

d)

Element

46.

What is made up two or more elements that are chemically combined?

a)

Element

b)

Compound

c)

Mixture

d)

Solids

47.

How many elements are represented in the compound?

Na2CO3

a)

1

b)

2

c)

3

d)

4

48.

A combination of substances that are not chemically combined is called a(n)____________.

a)

mixture

b)

compound

c)

element

d)

metal

49.

An element is made up of only one kind of _____.

a)

isotope

b)

atom

c)

plastic

d)

metal

50.

What is H2SO4

made up of?

a)

2 hydrogen, 1 sulfur, 4 oxygen

b)

2 hydrogen & 4 sodium

c)

1 hydrogen, 2 sulfur, 4 oxygen

d)

1 hydrogen & 6 sodium

51.

This picture represents which of the following?

a)

element

b)

mixture of elements

c)

compound

d)

mixture of compounds

52.

This picture represents which of the following?

a)

element

b)

mixture

c)

compound

53.

What is the picture displayed?

a)

atom

b)

molecule

c)

element

d)

compound

54.

Which example is a compound?

a)

N2

b)

Cu

c)

O2

d)

H2O2

55.

The atom is the smallest part of...

a)

An element

b)

A mixture

c)

A compound

56.

Are there any compounds on the periodic table?

a)

Yes,there are many.

b)

No,because only elements are on the periodic table.

57.

What kind of pure substance forms when two elements chemically combine?

a)

an element

b)

a mixture

c)

a compound

d)

a solution

58.

Put each state in order from particles closest together to particles farthest apart.

a)

Solid

b)

Liquid

c)

Gas

1)
2)
3)
59.

In which state of matter are the particles the moving the fastest?

a)

solid

b)

liquid

c)

gas

60.

What is the process that turns a solid into a liquid?

a)

melting

b)

freezing

c)

evaporation

d)

condensation

61.

What is the process that turns a gas into a liquid?

a)

melting

b)

freezing

c)

evaporation

d)

condensation

62.

What is the process that turns a liquid into a gas?

a)

melting

b)

freezing

c)

evaporation

d)

condensation

63.

What is the process that turns a liquid into a solid?

a)

melting

b)

freezing

c)

evaporation

d)

condensation

64.

If a liquid turns into a solid, what is happening to the energy in the liquid?

a)

It is decreasing

b)

It stays the same

c)

It is increasing

65.

If a liquid turns into a gas, what is happening to the amount of energy in the liquid?

a)

It is decreasing

b)

It stays the same

c)

It is increasing

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