wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Q1 Benchmark Review

Total questions: 63

Worksheet time: 50mins

Name
Class
Date
1.

A substance that is formed as the result of a chemical reaction is a __________________

a)

Product

b)

Reactant

c)

Starters

d)

Enders

2.
Which of the following is an example of a chemical change?
a)
rusting of a bicycle
b)
painting a house
c)
washing a dog
d)
tearing up a newspaper
3.

Which one shows that a chemical reaction has occurred?

a)

dissolving

b)

melting

c)

formation of a gas

d)

bending

4.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
5.
What type of change occurs when a new substance is formed that has different properties from the original substances?
a)
chemical change
b)
nuclear change
c)
physical change
d)
mutation
6.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
7.
In a ___________change, a substance changes into a different substance.
a)
Physical
b)
Chemical
8.

What is the BEST definition of a chemical reaction?

a)

A change in matter that produces one or more NEW substances

b)

When two things combine and EXPLODE.

9.
Which of the following is a chemical change rather than a physical change 
a)
boiling water at 100 C
b)
chopping up a piece of wood. 
c)
cooking a cake 
d)
ice carbon dioxide sublimating to gas 
10.

How many atoms of sulfur are in each molecule of H2SO4?

a)

1

b)

4

c)

2

d)

7

11.

How many atoms of hydrogen are in a molecule of glucose (C6H12O6)?

a)

12

b)

6

c)

18

d)

4

12.

Which of the following statements accurately describes the number of atoms in a molecule of ammonia (NH3)?

a)

Three atoms of nitrogen and three atoms of hydrogen

b)

One atom of nitrogen and three atoms of hydrogen

c)

Three atoms of nitrogen and one atom of hydrogen

d)

One atom of nitrogen and one atom of hydrogen

13.

How many atoms of carbon are in the formula CH3CH2CH2OH?

a)

3

b)

1

c)

7

d)

4

14.

How many atoms of hydrogen are in the formula CH3CH2Br?

a)

5

b)

3

c)

2

d)

7

15.

How many atoms of oxygen are in the formula HOOCCOOH?

a)

2

b)

4

c)

8

d)

1

16.

How many atoms of oxygen are in a molecule of glucose (C6H12O6)?

a)

4

b)

6

c)

12

d)

24

17.

Use the picture to select the correct statement.

a)

Oil is denser than water

b)

Pasta is less dense then crayon

c)

The paper clip is denser than every thing else

18.

Which liquid is the least dense?

a)

Oil

b)

Water

c)

Syrup

d)

Plastic bottle

19.

Put the liquids in order from most dense to least dense?

a)

4,3,2,1

b)

1,2,3,4

c)

3,4,2,1

d)

4,3,1,2

20.

What causes an object to sink in a water?

a)

if the object's density is less than the water's density.

b)

if the object's density is the same as water's density.

c)

if the object's density is greater than water's density.

d)

if the object's density is zero

21.

An object will float in a liquid if it is

a)

cooled to the same temperature.

b)

heated to the same temperature.

c)

less dense than the liquid.

d)

more dense than the liquid.

22.

When two materials that have different densities, like oil and water, encounter one another, they will?

a)

exchange densities.

b)

mix uniformly.

c)

repel one another.

d)

separate according to their densities.

23.

Will a rock float or sink?

a)

Float

b)

Sink

24.

Will a marble float or sink?

a)

Float

b)

Sink

25.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
26.
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
27.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
28.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
29.
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
30.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
31.
What is the measuring unit for mass?
a)
centimeter 
b)
millimeter 
c)
grams 
d)
pounds
32.
Which units of measurement are used for volume?
a)
grams
b)
centimeters
c)
grams/milliliter
d)
milliliter
33.
What units are used to measure Density?
a)
cm3/g
b)
g
c)
g/cm3
d)
cm3
34.
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
35.

What is the formula for Volume?

a)

Mass/Volume

b)

Density x Volume

c)

Mass/Density

36.

What is the formula for Mass?

a)

Mass/Volume

b)

Density x Volume

c)

Mass/Density

37.

Let's practice! Before reads 50 mL. After we drop in the object, the new water level goes up to 60 mL. What is the volume of the blocks? (Hint: new volume- old volume)

a)

8 mL

b)

10 mL

c)

60 mL

d)

5 mL

38.

What is the volume of the two red spheres? (Hint: new volume - old volume)

a)

4 mL

b)

6 mL

c)

2 mL

d)

8 mL

39.

What is the volume of the cylinder?

a)

10 mL

b)

15 mL

c)

8 mL

d)

5 mL

40.

What is the volume of the ring? (new volume - old volume)

a)

64 mL

b)

68 mL

c)

8 mL

d)

4 mL

41.

What is the volume of the water in this graduated cylinder?

a)

10 mL

b)

15 mL

c)

12 mL

d)

14 mL

42.

Which object has the least volume?

a)

the empty one

b)

the button

c)

the nail

d)

the battery

e)

the screw

43.

Which object has the greatest volume?

a)

the empty one

b)

the button

c)

the nail

d)

the battery

e)

the screw

44.

What is the volume of the marble?

a)

20 mL

b)

17 mL

c)

5 mL

d)

3 mL

45.

Which object has a volume of 3 mL?

a)

the empty one

b)

the button

c)

the battery

d)

the nail

e)

the marble

46.

What is volume?

a)

the mass of an object

b)

how much matter is in an object

c)

the amount of space an object takes up

d)

the weight of an object

47.
Is water melting a physical or chemical change?
a)
Physical
b)
Chemical
48.
Is a burning candle a physical or chemical change?
a)
Physical
b)
Chemical
49.
Is sour milk a physical or chemical change?
a)
Physical
b)
Chemical
50.
Is bending copper wire a physical or chemical change?
a)
Physical
b)
Chemical
51.
Is steam a physical or chemical change?
a)
Physical
b)
Chemical
52.
Is melting butter a physical or chemical change?
a)
Physical
b)
Chemical
53.
Anything that has mass & takes up space
a)
gravity
b)
force
c)
matter
d)
volume
54.
Smallest unit of an element
a)
compound
b)
atom
c)
molecule
d)
product
55.
Substances present at the start of a chemical reaction
a)
subscripts
b)
coefficients
c)
reactants
d)
products
56.

What is true of a substance with a lot of mass?

a)

It contains a lot of matter

b)

It has a large volume

c)

It has a high density

d)

It has a low frequency

57.

What do we call the chemicals that result from a chemical reaction?

a)

reactants

b)

products

c)

subscripts

d)

coefficients

58.

Which is an everyday chemical reaction?

a)

Rust

b)

Road salt

c)

Ice melting

59.

What is an ATOM?

a)

A single unit of an element

b)

A single compound

60.

What is a MOLECULE?

a)

2 or more atoms put together

b)

2 or more particles put together

61.

When atoms of substances rearrange themselves into a new configuration

a)

Chemical reaction

b)

Law of conservation of mass

c)

Mass

d)

Atom

62.

The smallest part of all matter

a)

Chemical reaction

b)

Mass

c)

Atom

d)

Conserve

63.

How much matter is in an object

a)

Chemical reaction

b)

Mass

c)

Atom

d)

Conserve

Similar Resources on Wayground

Life Science Vocabulary

60 questions

Life Science Vocabulary

quiz

Worksheet

•

6th - 8th Grade

Weather and the Water Cycle

61 questions

Weather and the Water Cycle

quiz

Worksheet

•

6th - 8th Grade

Energy Self Check

60 questions

Energy Self Check

quiz

Worksheet

•

7th Grade

REVIEW - 5th Reporting Period Exam

65 questions

REVIEW - 5th Reporting Period Exam

quiz

Worksheet

•

6th - 8th Grade

Storms and Predicting the Weather

60 questions

Storms and Predicting the Weather

quiz

Worksheet

•

7th Grade

Engineering S1

68 questions

Engineering S1

quiz

Worksheet

•

7th Grade

The Earth's Spheres - A Review

64 questions

The Earth's Spheres - A Review

quiz

Worksheet

•

6th - 8th Grade