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Science 6 Review

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

What is the part of the experiment that stays the same?

a)

independent variable

b)

dependent variable

c)

constant

d)

control

2.

What is the part of the experiment that is changed on purpose?

a)

independent variable

b)

dependent variable

c)

constant

d)

control

3.

What is the part of the experiment that responds and is measured?

a)

independent variable

b)

dependent variable

c)

constant

d)

control

4.

What instrument is used to measure mass?

a)

metric ruler

b)

graduated cylinder

c)

thermometer

d)

triple beam balance

5.

What instrument is used to measure the volume of a liquid?

a)

metric ruler

b)

graduated cylinder

c)

thermometer

d)

triple beam balance

6.

The Law of Conservation of Energy states -

a)

renewable energy is the best type of energy

b)

energy should be used wisely

c)

energy is always in motion

d)

energy cannot be created or destroyed

7.

Which of these types of energy is NOT renewable?

a)

solar

b)

coal

c)

wind

d)

hydroelectric

8.

What type of energy travels in waves?

a)

thermal

b)

electromagnetic

c)

chemical

d)

nuclear

9.

Energy stored in food, batteries, or fuels that can burn is called

a)

chemical

b)

thermal

c)

mechanical

d)

electromagnetic

10.

The energy stored in the center of an atom is called ____________ energy.

a)

mechanical

b)

nuclear

c)

electromagnetic

d)

chemical

11.

What particles are in the center of an atom?

a)

protons and electrons

b)

neutrons and electrons

c)

protons and neutrons

d)

only protons

12.

Which particles in atoms have a negative charge?

a)

electrons

b)

neutrons

c)

protons

d)

nucleus

13.

How many electrons can be on the first shell or energy level?

a)

2

b)

4

c)

6

d)

8

14.

On the periodic table, the atomic number tells the number of -

a)

protons or neutrons

b)

protons or electrons

c)

neutrons or electrons

d)

just neutrons

15.

The periodic table is arranged by

a)

atomic symbol

b)

atomic mass

c)

atomic number

d)

atomic weight

16.

The chemical symbol for water, H2O, means that each water molecule contains

a)

2 Hydrogen and 2 Oxygen

b)

1 Hydrogen and 1 Oxygen

c)

1 Hydrogen and 2 Oxygen

d)

2 Hydrogen and 1 Oxygen

17.

What percent of water on Earth is usable, non-frozen, fresh water.

a)

97%

b)

75%

c)

3%

d)

less than 1%

18.

Molecules that have a positive charge on one end and a negative charge on the other end are called -

a)

cohesion

b)

polar

c)

adhesion

d)

sticky

19.

What property of water allows water molecules to climb up against gravity, like the food coloring climbed up the stalk of celery?

a)

capillary action

b)

surface tension

c)

cohesion

d)

adhesion

20.

Because water can dissolve so many substances, it is known as -

a)

surface tension

b)

capillary action

c)

universal solvent

d)

cohesion

21.

What type of cloud is feathery, wispy, and very high in the sky?

a)

cumulus

b)

cirrus

c)

stratus

d)

cumulonimbus

22.

What type of front is shown by a symbol with blue triangles and brings quick, heavy rain and cooler weather?

a)

cold front

b)

warm front

c)

stationary front

d)

occluded front

23.

What instrument measures wind speed?

a)

barometer

b)

anemometer

c)

weather vane

d)

hygrometer

24.

What typer of weather does high pressure bring?

a)

cold temperatures

b)

lots of rain

c)

wind and storms

d)

clear, sunny skies

25.

Where will hurricanes form?

a)

in polar regions

b)

over warm ocean water

c)

above warm land areas

d)

anywhere over the United States

26.

What does the ozone layer in the stratosphere do?

a)

trap warm air to keep earth warm

b)

cause pollution all around the earth

c)

protect us from meteors from space

d)

protect us from ultraviolet radiation from the sun

27.

Which layer of the atmosphere burns up meteoroids?

a)

troposphere

b)

stratosphere

c)

mesosphere

d)

thermosphere

28.

What gas makes up 78% of our atmosphere

a)

Nitrogen

b)

Oxygen

c)

Carbon Dioxide

d)

Hydrogen

29.

Which type of heat transfer causes the attic to be hotter than the basement?

a)

radiation

b)

conduction

c)

convection

30.

Our atmosphere has gases in it that trap heat which keep our temperature on Earth warm enough for us to survive. What is this called?

a)

global warming

b)

greenhouse effect

c)

tropical climate

d)

the season of summer

31.

What is the largest estuary in the continental United States?

a)

Tampa Bay

b)

Boston Harbor

c)

San Francisco Bay

d)

Chesapeake Bay

32.

What is a small stream that leads to a larger one?

a)

river mouth

b)

tributary

c)

sediment

d)

divide

33.

The living factors in an ecosystem are called __________ factors.

a)

important

b)

abiotic

c)

biotic

d)

watershed

34.

Which of these is a function of a wetland?

a)

absorbs flood water

b)

provides a habitat for animals

c)

cleans pollution from water

d)

all of these are functions of a wetland

35.

When measuring water quality, the cloudiness of water is called -

a)

turbidity

b)

salinity

c)

nitrates

d)

pH

36.

How long does it take the Earth to make one rotation?

a)

one year

b)

one month

c)

one week

d)

one day

37.

How many phases does the moon have?

a)

6

b)

8

c)

10

d)

12

38.

What causes tides?

a)

the gravitational pull of the Earth

b)

the gravitational pull of the other planets

c)

the gravitational pull of the moon

d)

the absence of gravity

39.

Who was the first country to put a man on the moon?

a)

Russia/Soviet Union

b)

United States

c)

Germany

d)

China

40.

Who was your favorite science teacher this year?

a)

Bill Nye

b)

Albert Einstein

c)

Isaac Newton

d)

Mrs. Vaughn :)