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Unit 1 Review

Total questions: 32

Worksheet time: 32mins

Name
Class
Date
1.

What is matter?

a)

Anything that has mass and takes up space.

b)

The amount of space that an object occupies or takes up

c)

a physical combination of 2 or more substances

d)

a change of matter in size, shape or state of matter without any change in identity.

2.
a)
Element
b)
Compound
c)
Mixture
3.
a)
Element
b)
Compound
c)
Mixture
4.
a)
Element
b)
Compound
c)
Mixture
5.

A pure substance that cannot be broken down into any other substance.

a)

Elements

b)

Compounds

c)

Mixtures

6.

A(n) ______________ is formed when two or more elements chemically combine.

a)

Compound

b)

Element

c)

Mixture

7.

A ___________ is a combination of many different elements not chemically combined.

a)

Element

b)

Compound

c)

Mixture

8.
Which of these is a pure substance?
a)
bread
b)
table salt
c)
garden soil
d)
sea water
9.
Which of the following is NOT a pure substance?
a)
milk
b)
oxygen
c)
water
d)
carbon dioxide
10.
Which of the following is a way in which elements and compounds are similar?
a)
Elements and compounds are pure substances.
b)
Elements and compounds are both made up of different kinds of atoms.
c)
Elements and compounds can both be broken down by physical means.
d)
Elements and compounds are listed on the periodic table.
11.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
12.

What makes elements and compounds different from mixtures? Elements & compounds-

a)

have a constant composition (pure substances)

b)

are made of gases

c)

Will not change when heated

d)

conduct electric current

13.

Mixtures are different than pure substances because mixtures-

a)

have lower boiling points

b)

can be separated physically

c)

are less dense than pure substances

d)

contain only one type of atom

14.

Mass is the amount of _______ an object has

a)

Matter

b)

weight

15.

The unit for mass is...

a)

Newton

b)

grams

c)

mililiters

d)

centimeters

16.

A graduated cylinder is used to measure...

a)

Volume

b)

mass

c)

weight

d)

density

17.

The unit for volume is. (there is more than one right answer)

a)

grams

b)

milliliters (mL)

c)

Newton

d)

Centimeters Cubed

18.

 

What two types of measurements make up DENSITY? 

a)

Volume and Weight

b)

Temperature and Mass

c)

Mass and Volume

19.

What is the density of water?

a)

34 g/mL

b)

1 g/mL

c)

29 g/mL

d)

6 g/mL

20.

Measuring the volume of a block uses which equation

a)

Length ×Width×HeightLength\ \times Width\times Height  

b)

(radius)2×Length×π\left(radius\right)^2\times Length\times\pi  

21.

What is the unit for density ?

a)

g/ mL

b)

g

c)

gcm3\frac{g}{cm^3}  

d)

cm4cm^4  

22.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
23.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
24.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
25.
A crayon has a mass of 10g and volume of 5 mL. What is the density?
a)
30 g/mL
b)
15 g/mL
c)
1 g/mL
d)
2 g/mL
26.

What is the density?

a)

2

b)

800

c)

60

d)

20

27.

What do you need to calculate Density?

Check all that apply.

a)

Mass

b)

Weight

c)

Volume

d)

Length

28.

What is a substance with unique physical and chemical properties that can't be reduced by chemical means.

a)

an element

b)

an atom

c)

a molecule

d)

a compound

29.

Ice floats on water because

a)

it has higher density than water

b)

it has lower density than water due to more volume

c)

it is solid

d)

it is low melting solid

30.

What is matter?

a)

Anything that takes up space and has mass

b)

A substance with fixed composition

c)

Two or more substances physically combined

d)

A mixture with variable composition

31.

Substances that are made up of ONLY one type of atom (element) or compound.

a)

Heterogeneous mixture

b)

Pure substance

c)

Suspension

d)

Homogeneous mixture

32.

This is something that contains that substance and nothing else.

a)

pure substance

b)

The Periodic Table of Elements

c)

chemical formula

d)

matter

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