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Worksheets

Science SLO 2022-2023

Total questions: 130

Worksheet time: 2hrs 42mins

Name
Class
Date
1.

When you use your 5 senses to gather information, you are making a/an

a)

Observation

b)

Inference

c)

Scientific Wondering

2.

These kind of observations are made using instruments such as rulers, balances and thermometers

a)

Qualitative

b)

Quantitative

c)

Scientific

3.

These type of observations are described, not measured.

a)

Qualitative

b)

Quantitative

4.

It feels smooth. What type of observation is this?

a)

Qualitative

b)

Quantitative

5.

The leaf is 5mm wide. What type of observation is this?

a)

Qualitative

b)

Quantitative

6.

The mass of the chocolate cake is 250 g. What type of observation is this?

a)

Qualitative

b)

Quantitative

7.

Which of the following statements is an inference about the picture

a)
The vase is broken.
b)
The girls' bow is blue and purple.
c)
The girl broke the vase.
d)
The girl has blonde hair.
8.

Which of these statements is an inference about this picture?

a)
There is a red candle on the window sill.
b)
The moon is full.
c)
It is Christmas time.
d)
There's snow on the tree.
9.

One grape is placed in tap water and another grape is placed in salt water. The change in their mass is measured after a day. What is the dependent variable?

a)

salt water

b)

mass of grapes

c)

type of water

d)

type of grapes

10.

Mosquito repellent is sprayed on one arm and the other arm is not sprayed. The number of mosquito bites is counted after 2 hours. What is the independent variable?

a)

mosquito bites

b)

repellant

c)

2 hours

11.

A stapler is used to staple 100 papers. It jams 5 times during the trial. A different brand of stapler performs the same test. It jams 22 times. What things should be kept controlled in this experiment? Choose all that apply.

a)

brand of stapler

b)

person using the staplers

c)

type of paper being stapled

d)

brand of staples

12.

The independent variable is the ONE thing you _____ in an experiment.

a)
change
b)
keep the same
c)
experiment with
d)
investigate
13.
How many variables can be tested in a controlled experiment?
a)
one
b)
two
c)
three
d)
as many as possible
14.

The variable that you measure in an experiment is the ________ variable.

a)

Independent

b)

Dependent

c)

Control

15.

What is the independent variable in this experiment?

"Which type of metal, copper or aluminum, conducts heat faster?"

a)

size of metal

b)

types of metal

c)

time it takes to heat up

d)

shape of the metal

16.

What is the dependent variable in this experiment?

"Do tall people jump further than short people?"

a)

height of the person

b)

weight of the person

c)

how fast the person runs

d)

how far the person jumps

17.

A woman saw a flock of geese fly over her house. What best describes what she saw?

a)

Population of Geese

b)

Community of Geese

c)

Habitat

d)

Ecosystem

18.

All living and nonliving things in a habitat create a(n) _____.

a)

community

b)

population

c)

habitat

d)

ecosystem

19.

Many types of populations of plants, animals, and microorganisms living together create a _____.

a)

Community

b)

Population

c)

Habitat

d)

Ecosystem

20.

Biotic factors are...

a)

living things

b)

non-living things

c)

undead things

21.

Abiotic factors are...

a)

living things

b)

non-living things

c)

undead things

22.

Which of the following is an abiotic factor that plants depend on?

a)

seed-eating birds

b)

insect pollinators

c)

ants building their nests in trees

d)

nutrients in the soil

23.
Which aquatic ecosystem has both salt and fresh water that is mixed together (brackish water)?
a)
estuary
b)
lakes
c)
ponds
d)
oceans
24.

Identify the ecosystem

a)

Forest

b)

Tundra

c)

Freshwater

d)

Grassland

25.
_________ are large bodies of saltwater divided by continents.
a)
Oceans
b)
Lakes
c)
Ponds
d)
Estuaries
26.
_____________ are bodies of freshwater that are surrounded by land.
a)
Oceans
b)
Estuaries
c)
Lakes/Ponds
d)
Forests
27.
Swamps and marshes are both examples of ______________.
a)
forests
b)
grasslands
c)
wetlands
d)
lakes/ponds
28.

_______ are consumers that eat only meat.

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

producer

29.

________ are consumers that eat plants and meat.

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

scavenger

30.
Which group do fungi, bacteria, and termites belong to?
a)
decomposers
b)
producers
c)
herbivores
d)
omnivores
31.

Which organism makes their own food through the process of photosynthesis? 

a)
decomposer
b)
consumer
c)
herbivore
d)
producer 
32.
What would most likely happen if an ecosystem no longer received sunlight?
a)
The number of herbivores would increase
b)
The number of plants would increase
c)
all organisms would adapt
d)
All living organisms would eventually die
33.
How do consumers get their energy? 
a)
laying in the sun
b)
eating other organisms 
c)
providing food for other organisms
d)
surviving in an ecosystem 
34.

Two or more food chains that overlap is called a ___________________________.

a)

community

b)

carnivore

c)

food web

d)

food chain

35.
A zebra eats grass and then is eaten by a lion. Which is the predator in this situation?
a)
grass
b)
lion
c)
sun
d)
zebra
36.
In a food chain, foxes are consumers of rabbits and mice. If the mice population suddenly decreases, what will most likely happen to the number of foxes? 
a)
The number of foxes will increase because they will eat fewer rabbits.
b)
The number of foxes will stay the same because they will eat more rabbits. 
c)
The number of foxes will decrease because they will be eaten by the rabbits. 
d)
The number of foxes will decrease because they will only have one remaining food source. 
37.
Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
38.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.  What kind of relationship is this?
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
39.
When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
40.

What name is given to environmental factors that keep a population from getting too large? 

a)
Carrying Capacity
b)
Limiting Factors
c)

Balance of Nature

d)

Predators

41.

A combination of 2 or more substances, where each substance keeps its own properties and can be separated easily is a ___.

a)

Solution

b)

Mixture

c)

Matter

d)

Solvent

42.

A blend of one substance dissolved in another substance that can't be separated with a screen or a filter is known as a ____.

a)

Solution

b)

Mixture

c)

Matter

d)

Solvent

43.

The substance that there is less of in a solution is the ____.

a)

Solubility

b)

Solvent

c)

Mixture

d)

Solute

44.

The substance that there is more of in a solution is the ____.

a)

Solubility

b)

Solvent

c)

Solute

d)

Water

45.

What is this salad an example of?

a)

Mixture

b)

Property

c)

Solution

d)

Gas

46.

This is an example of a

a)

Suspension

b)

Colloid

c)

Solution

d)

Alloy

47.
What are the three states of matter?
a)
solid, volume, mass
b)
density, volume, mass
c)
solid, liquid, gas
d)
density, gas, volume
48.

Anything that has mass and volume is ____.

a)

volume

b)

matter

c)

mass

d)

density

49.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
50.

A measure of how concentrated the atoms are in a substance is known as _____.

a)

mass

b)

density

c)

volume

d)

matter

51.

The amount of space something takes up is a measure of its ___.

a)

density

b)

volume

c)

mass

d)

matter

52.
Shape is a ____ that helps identify an object.
a)
physical property
b)
chemical property
c)
mass
d)
matter
53.

A watermelon has more matter AND takes up more space than a grape, so it has more

a)

mass

b)

volume

c)

properties

d)

mass and volume

54.

You can measure ______ with a balance scale using grams.

a)

mass

b)

volume

c)

conductivity

d)

melting point

55.

Jan saw a puddle of water in the morning on a sunny day but later the puddle was gone. What most likely happened to the water?

a)

An animal drank all of the water.

b)

The water evaporated.

c)

There was precipitation during the afternoon.

d)

It rolled down a hill.

56.

Which change can occur when you add heat energy to liquid water?

a)

The water can change from a liquid to a solid

b)

The water can change from a gas to a liquid

c)

The water can change from a liquid to a gas

d)

The water can change from a solid to a gas

57.

You can measure ______ with a graduated cylinder or measuring cup using milliliters.

a)

mass

b)

volume

c)

conductivity

d)

melting point

58.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
59.
What is happening when my ice cream changes from a solid to a liquid?
a)
freezing
b)
melting
c)
burning
d)
evaporation
60.

Which states of matter take the shape of the container they are in? Choose all that apply.

a)

solid

b)

liquid

c)

gas

61.

Concentration is

a)

the amount of solute in the solvent

b)

the amount of solvent in the solute

c)

density

d)

particle size

62.

Which solution is more concentrated?

Solution 1:

500 mL of water

100 g of salt


Solution 2:

500 mL of water

90 g of salt

a)

Solution 1

b)

Solution 2

c)

They have the same concentration

d)

I have no idea

63.
Water freezing into ice is an example of a...
a)
Physical Change
b)
Chemical Change
64.
Physical or Chemical Change?  Iron rusts
a)
Physical Change
b)
Chemical Change
65.
Physical or Chemical Change?  Cutting an orange into wedges.
a)
Physical Change
b)
Chemical Change
66.

To separate a mixture of soil and water what separation method is used?

a)

Filtration

b)

Sifting

c)

Chromatography

d)

Evaporation

67.

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

a)

Evaporation

b)

Chromatography

c)

Magnetic attraction

68.
Our _________ is the layer of gases that surrounds our planet.
a)
ocean
b)
weather
c)
atmosphere
d)
ozone
69.

In which layer of the atmosphere is the most water vapor found?

a)

thermosphere

b)

mesosphere

c)

troposphere

d)

stratosphere

70.

Which layer of the atmosphere would jets fly in to avoid a thunderstorm?

a)

troposphere

b)

thermosphere

c)

mesosphere

d)

stratosphere

71.

As you ascend (go up) in the troposphere what happens to the temperature?

a)

It increases steadily

b)

It decreases steadily

72.

Why is the ozone layer vital to life on Earth?

a)

Planes fly in the ozone layer

b)

It is made up of oxygen (O2)

c)

It shields the Earth from ultraviolet (UV) rays from the sun

d)

It causes clouds to be created

73.

In which layer of the atmosphere do meteors burn up?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Exosphere

74.

This layer is the hottest layer of the atmosphere?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

75.

What is the order of the layers of the atmosphere, starting with the layer closest to Earth's surface?

a)

Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere

b)

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

c)

Troposphere, Stratosphere, Mesosphere, Exosphere, Thermosphere

d)

Troposphere, Stratosphere, Thermosphere, Exosphere, Mesosphere

76.

Which is the coldest layer

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Stratosphere

77.

Where do plants get the energy for photosynthesis to take place?

a)

nutrients in the soil

b)

the sun

c)

chlorophyll

d)

bee pollination

78.

What part of the plant soaks up water for photosynthesis?

a)

roots

b)

petals

c)

leaf

d)

stem

79.

The openings that are found in the leaves of plants are called:

a)

Stomata

b)

Chlorophyll

c)

Xylem

d)

Chloroplast

80.

The process of photosynthesis takes place in the:

a)

Leaves of the Plant.

b)

Stem of the plant.

c)

Roots of the plant.

d)

All of the above.

81.
What gas  do plants give off after conducting photosynthesis that humans/animals need in order to live?
a)
Oxygen
b)
Carbon
c)
Nitrogen
d)
Hydrogen
82.
What are the 3 key ingredients needed for photosynthesis
a)
glucose, oxygen, carbon dioxide
b)
carbon dioxide, water, glucose
c)
water, soil, sunlight
d)
sunlight, water, carbon dioxide
83.
In winter, the axis of the earth is pointed away or toward the sun?
a)
towards
b)
up
c)
down
d)
away
84.
In summer, the axis of the earth is pointed away or toward the sun?
a)
towards
b)
up
c)
down
d)
away
85.
Why is the Equator warmest?
a)
Because it is closest to the sun.
b)
Because it receives the most direct sunlight
c)
Because no clouds form here.
d)
Because it is far from the sun
86.
Why does the area around the equator stay the same temperature all year?
a)
The equator rotates slower than the poles.
b)
The equator remains the same distance from the sun.
c)
The equator always receives direct sunlight.
d)
The equator has 18 hour days.
87.
The Earth's axis is tilted _____ degrees.
a)
23.5
b)
25.3
c)
30.2
d)
24
88.

How many planets are there?

a)

7

b)

9

c)

8

d)

3

89.

How many groups are the planets broken into?

a)

3

b)

2

c)

1

d)

4

90.

What are the 4 inner planets?

a)

Mercury, Jupiter, Saturn, Pluto

b)

Earth, Venus, Mars, Neptune

c)

Mercury, Venus, Earth, Mars

d)

Jupiter, Saturn, Neptune, Uranus

91.

What are the 4 outer planets?

a)

Mercury, Venus, Earth, Mars

b)

Uranus, Mercury, Earth, Mars

c)

Jupiter, Uranus, Saturn, Neptune

d)

Jupiter, Saturn, Earth, Mars

92.

The inner planets share 2 qualities or characteristics

a)

Humans can live on them, they all have water

b)

They are rocky, and humans can find food on them

c)

They are rocky and close to the Sun

d)

They are close to the Sun, and humans can live on them

93.

The fourth planet from the Sun, called the Red planet, and extensively explored and observed

a)

Neptune

b)

Venus

c)

Jupiter

d)

Mars

94.

What are the 2 characteristics of the 4 outer planets.

a)

They are rocky and small in size

b)

Larger planets and made of gas

c)

Closer to the Sun and made of gas

d)

Farther from the Sun and made of gas

95.

Discovered in 1930, originally a planet and then switched to a dwarf planet in 2006.

a)

Pluto

b)

Neptune

c)

Uranus

d)

Jupiter

96.
When you ride a roller coaster, what makes your body rise out of its seat at the top of a hill?
a)
inertia
b)
gravity
c)
friction
d)
electricity
97.
What happens when an object accelerates?
a)
Its speed or direction changes
b)
Only its speed changes
c)
Only its direction changes
d)
Its speed and direction do not change
98.
A ball is rolled across four different surfaces with the same force. Which surface will slow the movement of the ball most?
a)
tile floor
b)
paved road
c)
grassy field
d)
cement sidewalk
99.
Which of the following is a contact force?
a)
friction
b)
magnetism
c)
gravity
d)
electricity
100.

The location of an object in relation to a nearby object or place is called . . .

a)

reference point

b)

motion

c)

position

d)

frame of reference

101.

Tells you how the position of an object changes during a certain amount of time

a)

speed

b)

velocity

c)

acceleration

d)

force

102.

Forces that cause a change in motion are . . .

a)

gravity

b)

friction

c)

balanced forces

d)

unbalanced forces

103.

Forces on an object that are equal in size & opposite direction, cancelling each other out, are called . . .

a)

unbalanced forces

b)

balanced force

c)

friction

d)

gravity

104.

The force of attraction between two objects; increases as the mass of the objects increase; decreases as the distance between the objects increases . . .

a)

gravity

b)

friction

c)

balanced forces

d)

unbalanced forces

105.

A push or pull on matter from all directions is called . . .

a)

speed

b)

velocity

c)

acceleration

d)

force

106.

How does the mass of an object affect the motion of an object?

a)

The greater the mass the less effect a force will have

b)

The greater the mass the greater the effect a force will have

c)

The less the mass the less effect a force will have

d)

It has no effect

107.

What force attracts some metals and it is a noncontact force?

a)

Push

b)

Pull

c)

Magnetism

d)

Friction

108.

To drag a sofa over carpet, movers sometimes use slippery pads. Which force is reduced with the use of the pads?

a)

Friction

b)

Gravity

c)

Push

d)

Magnetism

109.

Why does a newly oiled machine work faster than a machine that hasn't been oiled?

a)

Oil reduces the friction between the parts

b)

Oil increases the friction between the parts

c)

Gravity acts more on an old machine

d)

Gravity acts more on a new machine

110.
As the distance between 2 objects increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
111.

How does recycling help the environment?

a)

less trash is produced

b)

the air is cleaner

c)

the water is cleaner

d)

the land is cleaner

e)

all of these answers

112.

What risk does the garbage patch pose for animals and humans?

a)

animals can become trapped in plastic nets and rings

b)

humans may consume fish that have consumed toxin-containing plastics

c)

fish and whales can confuse plastic as a food source

d)

all of the answers

113.

Which of the following is a source of air pollution?

a)

Difficulty in breathing

b)

Factories

c)

Eye irritation

d)

Drinking water

114.

What is one way you and your family can help to conserve water at home?

a)

watering the garden at the hottest time of the day

b)

using the longest cycle to wash clothes

c)

turning off the faucet while brushing your teeth

d)

letting the water run while washing dishes

115.

Global warming can lead to

a)

deforestation

b)

climate change

c)

oil spills

d)

litter

116.

The model shows the planets in Earth's solar system.

What is a problem with the model?

a)

The Sun is too big in comparison to the planets in the model.

b)

Planets should not be lined up in a row on one side of the Sun.

c)

Planets are actually closer to each other than is shown in the model.

d)

Not all of the planets in the solar system should be shown orbiting the Sun.

117.

A satellite is orbiting around Earth in space. The satellite contains a powerful telescope and cameras.

Why would scientists most likely choose to use a telescope in space instead of a telescope on Earth?

a)

It is easier to take pictures of other satellites orbiting Earth in space.

b)

It can view distant objects in space that cannot be seen from Earth.

c)

It is less expensive to build a large telescope in space than on Earth's surface.

118.

The sun is the brightest start we can see on Earth because

a)

it is the oldest star in our solar system

b)

it is bigger than all the other stars

c)

it is able to form the most patterns

d)

it is the closest star to Earth.

119.

Which of the following about Earth's solar system is correct?

a)

Earth is the center of it

b)

The sun is the center of it.

c)

The planets in this solar system have no set orbit.

d)

This solar system has only nine planets.

120.

Stars are different colors based on

a)

their size

b)

their temperature

c)

how close they are to Earth

d)

where they are in the sky

121.

Two stars appear to be the same size and same temperature, but one of them looks brighter in the night sky. Why would this most likely be the reason?

a)

it is blue

b)

it is younger

c)

it is closer to Earth

d)

it is older

122.

What separates the inner planets from the outer planets?

a)

the Milky Way

b)

the Kuiper Belt

c)

the Asteroid Belt

d)

the scattered disc

123.

What is the correct order of the planets?

a)

Neptune, Mars, Jupiter, Earth, Saturn, Uranus, Mercury

b)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus

c)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

124.

What converts nitrogen gas into a usable form for plants and animals?

a)

bacteria

b)

rain

c)

fungi

d)

car exhaust

125.

Organisms that need nitrogen to survive.

a)

only plants

b)

only animals

c)

only bacteria

d)

all living things

126.

Gas that makes up 78% of our atmosphere.

a)

Oxygen

b)

Nitrogen

c)

Hydrogen

d)

Carbon Dioxide

127.

An oreo cookie has a mass of 20 grams. It gets crushed into crumbs for a recipe. What is the mass of the crumbs?

a)

15 grams

b)

25 grams

c)

20 grams

128.

What will have more mass when a chemical change is complete: the reactants before the chemical reaction or the product after the reaction is complete?

a)

They both will have the same mass

b)

The product always has more mass than the reactant

c)

The reactant will have more mass than the product

d)

They both will lose mass after the reaction

129.

Matter is anything that ---

a)

takes up space and has mass.

b)

is in our universe.

c)

is light, sound or ideas.

130.

The Law of Conservation of Matter states that the total amount of matter _____ after it undergoes change.

a)

disappears

b)

stays the same

c)

weighs less

d)

explodes