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Total questions: 60

Worksheet time: 15hrs 0mins

Name
Class
Date
1.

During a fire drill, which of the following is the desired route to safety?

a)

Through the window, up to the railroad tracks.

b)

Take a right outside of the classroom, through the stairwell to the outside, left toward the field

c)

Take a left outside of the classroom, through the lobby, make a right outside of the main entrance, go toward the field

d)

Follow everyone else, talking to as many people as possible before trying to figure out where your classmates and teacher are

2.

When is it permissible to talk while the teacher is talking?

a)

When the topic is boring to me

b)

When my friends expect me to

c)

I should never talk when the teacher is talking

d)

When I want to draw attention to myself

3.

When are students allowed to play games on their computers?

a)

Whenever they want

b)

After all of their classwork is finished and turned in, they have read through their homework, and they have no questions or concerns

c)

Whenever they feel bored

d)

Research time in class is best used for gaming, because games are more fun than classwork. Who needs a high school diploma anyway? I'm gonna be YouTube famous!

4.

Which piece of lab equipment will most accurately measure liquid volume?

a)

test tube

b)

graduated cylinder

c)

beaker

d)

erlenmeyer flask

5.

Which of the following metric units is used to describe the mass of an object

a)

grams

b)

newtons

c)

liters

d)

meters

6.

Which of the following metric units are used to describe liquid volume?

a)

liters

b)

meters

c)

grams

d)

newtons

7.

(Select all that apply) Which of the following temperature scales do scientists use as part of the metric system?

a)

Kelvin

b)

Fahrenheit

c)

Celsius

d)

Thermometer

8.

Convert the following metric measurements:


1,500 g = ______ kg

a)

1,500

b)

1.5

c)

15

d)

0.0015

9.

Convert the following metric measurements:


2.3 hm = _____cm

a)

2,300

b)

23,000

c)

23

d)

0.023

10.

What are the smallest particles of an element called?

a)

Compounds

b)

Molecules

c)

Atoms

d)

Protons

11.

Atoms are composed of subatomic particles. Which of the following are names of subatomic particles?

a)

Protons

b)

Nucleons

c)

Neutrons

d)

Electrons

e)

Negatrons

12.

Which of these is the basic building block of all matter?

a)

Cells

b)

Organelles

c)

Atoms

d)

Chemicals

13.

At least how many atoms must be combined with each other to form a molecule or compound?

a)

1

b)

2

c)

3

d)

4

14.

What is a diatomic molecule?

a)

A molecule composed of two atoms of the same element

b)

A molecule composed to two atoms of different elements

c)

A molecule composed of atoms that have died

d)

A molecule of atoms that have split away from their original compound

15.

What must a molecule be composed of in order for it to be classified as a compound?

a)

A compound is a molecule that contains atoms from at least two different elements

b)

A compound is an arrangement of atoms that is only used in chemistry labs

c)

A compound is when two elements are physically mixed together

d)

Compounds are always created in chemical reactions

16.

How is a mixture different from a compound?

a)

Compounds are chemically combined; mixtures are physically combined

b)

Mixtures are chemically combined; compounds are physically combined

c)

Compounds are only produced in laboratories; mixtures are everywhere

d)

Mixtures can only be made if the substances are stirred; compounds are only produced if there are bubbles

17.

Which of the following best illustrates a mixture?

a)
b)
c)
d)
18.

The following picture represents _________.

a)

a compound.

b)

a mixture.

c)

an element.

19.

The following picture represents ___________.

a)

an element

b)

a mixture

c)

a compound

20.

What is salt water?

a)

element

b)

compound

c)

mixture

21.

Which of the following describes the two types of mixtures?

a)

heterozygous

b)

heterogeneous

c)

homozygous

d)

homogeneous

22.

What kind of motion do solids have?

a)

Solids vibrate in place, they are very low energy.

b)

Solids move around freely, they have high energy.

c)

Solids slide past one another, they have medium energy.

23.

Which of the following properties describes liquids?

a)

Can collide with and slide past other particles

b)

Take the shape of their container

c)

Have a defined volume

d)

Can escape their container easily

24.

Which of the following images best illustrates a gas?

a)
b)
c)
25.

Which state of matter is the most dense?

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

26.

Which subatomic particle has a positive charge?

a)

Neutron

b)

Proton

c)

Electron

d)

Gluon

27.

Which subatomic particles is responsible for all bonding that takes place in compounds?

a)

proton

b)

electron

c)

neutron

d)

positron

28.

Which subatomic particle carries no charge?

a)

Proton

b)

Neutron

c)

Electron

d)

Galvatron

29.

How is the periodic table arranged?

a)

With elements in alphabetical order

b)

With elements in increasing atomic weight

c)

With elements in increasing atomic number

d)

With elements scattered around in no order

30.

Why do electrons not count towards the atomic mass of an element?

a)

They are too small

b)

They are too big

c)

They have no mass

d)

They don't matter

31.

Elements with similar chemical properties are often found in the same ____________.

a)

period

b)

family

c)

row

d)

weight

32.

Which family on the periodic table is the least reactive?

a)

transition metals

b)

alkali metals

c)

halogens

d)

noble gases

33.

An element is found to be brittle, but conductive. Which class of elements would it belong to?

a)

metal

b)

nonmetal

c)

metalloid

34.

Which of the following is the chemical symbol for gold?

a)

Au

b)

Ag

c)

As

d)

At

35.

Which common compound has a chemical formula of H2O?

a)

water

b)

carbon dioxide

c)

hydrogen peroxide

d)

hydrogen disulfide

36.

Which common compound has a chemical formula of C12H22O11?

a)

sucrose

b)

table salt

c)

oxygen

d)

hydrochloric acid

37.

Which of the following are physical properties of substances?

a)

shape

b)

density

c)

solubility

d)

combustibility

e)

acidity

38.

Which of the following represents a physical change?

a)

Cutting paper

b)

Rusting iron

c)

Burning marshmallows

39.

In the chemical reaction for photosynthesis, which of the following is the catalyst?

a)

Water

b)

Carbon dioxide

c)

Sugar

d)

Sunlight

e)

Oxygen

40.

Which number below represents a pH that is neutral?

a)

0

b)

3

c)

7

d)

14

41.

Which number below represents a pH level of an acid?

a)

3

b)

7

c)

9

d)

12

42.

Which number below represents a pH level of a base?

a)

1

b)

3

c)

7

d)

13

43.

Which coefficients below balance this equation:


____ H2 + ____ O2 --> ____ H2O

a)

1,2,1

b)

2,1,2

c)

1,1,1

d)

2,2,2

44.

Which of the following methods below are ways that people can conserve energy and resources every day?

a)

Reduce, reuse, and recycle

b)

Plant trees

c)

Walk everywhere

d)

Use mass transit

45.

Which of the following is classified as a nonrenewable resource?

a)

Fossil fuel

b)

Trees

c)

Animals

d)

Plants

46.

What is the only substance on Earth that exists naturally as a solid, liquid and gas?

a)

gold

b)

water

c)

air

d)

people

47.

What percentage of the Earth's surface is covered by water?

a)

71%

b)

97%

c)

3%

d)

29%

48.

What percentage of water on Earth is saltwater?

a)

97%

b)

3%

c)

71%

d)

85%

49.

Most freshwater exists in what form?

a)

solid (ice caps and glaciers)

b)

liquid (rivers, streams, and lakes)

c)

gas (clouds and water vapor)

50.

Estuaries tend to have ______________ salinities than oceans.

a)

lower

b)

higher

51.

Producers in the deep ocean that do not have access to sunlight use which process to make their food?

a)

Chemosynthesis

b)

Photosynthesis

c)

Digestion

d)

Parasitism

52.

What ocean feature releases super-heated water and minerals into the surrounding cold ocean?

a)

Hydrothermal vents

b)

Cold seeps

c)

Trenches

d)

Volcanoes

53.

How much of Earth's population lives in a river basin?

a)

70%

b)

80%

c)

90%

d)

100%

54.

Which of the following zones of the ocean includes the surface and shallow areas?

a)

epipelagic

b)

hadal

c)

bathyal

d)

abyssal

55.

Which of the following creates ocean currents?

a)

surface winds

b)

differences in temperature

c)

differences in salinity

d)

fish swimming

56.

Ocean acidification involves the decrease in pH (and increase of temperature) of the ocean due to the absorption of which gas?

a)

Carbon dioxide

b)

Oxygen

c)

Carbon monoxide

d)

Ozone

57.

Why might turbid water be unsafe?

a)

Increased likelihood of toxins being in the water due to sediment being washed away

b)

pH too high

c)

Turbid water is usually too cold to drink

d)

Turbid water is usually only found in polluted areas

58.

Dissolved oxygen is very important in aquatic ecosystems. Which type of water can hold more dissolved oxygen?

a)

Warm water

b)

Cold water

c)

Turbid water

d)

Acidic water

59.

Which of the following would be a good bio-indicator (macro-invertebrate) for the health of a water system?

a)

Crickets

b)

Deer

c)

Frogs

d)

Mountain lions

60.

Is clear water always healthy to drink?

a)

Yes

b)

No

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