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Cumulative Science Review 2023

Total questions: 72

Worksheet time: 36mins

Name
Class
Date
1.
A __________ includes all living and non-living things in an environment. 
a)
population
b)
niche
c)
abitotic
d)
ecosystem
2.

_______ are consumers that eat only meat.

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

producer

3.

________ are consumers that eat plants and meat.

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

scavenger

4.
Which group do fungi, bacteria, and termites belong to?
a)
decomposers
b)
producers
c)
herbivores
d)
omnivores
5.
Which organism make their own food through the process of photosynthesis? 
a)
decomposer
b)
consumer
c)
herbivore
d)
producer 
6.

Which describes a decomposer?

a)

an organism that eats only plants

b)

an organism that makes its own food

c)

an organism that breaks down dead organisms

d)

an organism that receives energy from the sun

7.
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
8.
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 
9.

All the members of one species that live within an area of an ecosystem is known as a ________.

a)

population

b)

community

c)

biome

d)

consumer

10.
Organisms that make up the living part of an ecosystem.
a)
abiotic
b)
biotic factors
c)
ecology
d)
ecosystems
11.
Nonliving things found in an ecosystem.
a)
factories
b)
factor trees
c)
biotic factors
d)
abiotic factors
12.

All of the populations that live in one area together create a(n)

a)

limiting factor

b)

population

c)

community

d)

abiotic factor

13.

Which is a biotic factor?

a)

sunlight

b)

air

c)

bacteria

d)

temperature

14.
Deserts, mountains, and rivers are all examples of ________.
a)
vacation spots
b)
tundra
c)
ecosystems
d)
wetlands
15.

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

a)

community

b)

carnivore

c)

food web

d)

food chain

16.

The process that plants use to make food is called __________________________.

a)

extinction

b)

population

c)

cooking

d)

photosynthesis

17.

Which of these is a consumer?

a)

tree

b)

water

c)

frog

d)

flower

18.

Which of these is a predator?

a)

cow

b)

grass

c)

sun

d)

hawk

19.

Which of these is prey?

a)

mouse

b)

flower

c)

water

d)

hawk

20.
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. 
21.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
22.
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
23.
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 
24.
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
25.
a)
Parasitism
b)
Mutualism
c)
Commensalism
d)
Predation
26.
Environmental factors that keep a population from increasing. 
a)
Carrying Capacity
b)
Limiting Factors
27.

The white candle has a cylindrical shape. it has a diameter of about 3 cm. the length of the candle is 20 cm. It is hard, smooth and can be scratched. There is a white wick that extends from top to bottom.

Which is a qualitative observation from the sentence?

a)

diameter of about 3 cm

b)

length is 20 cm

c)

hard, smooth and can be scratched

28.

When a scientist uses charts, graphs, or models to share his/her observations and ideas with others, it is called ________.

a)

communicating

b)

experimenting

c)

measuring

d)

observing

29.

Making an inference about a future event based on current evidence or past experiences is a ______.

a)

Observation

b)

Variable

c)

Inference

d)

Prediction

30.
Which is the Qualitative observation?
a)
Green Grass
b)
6 Kids
31.
Which is the Quantitative observation?
a)
1 dog
b)
red ball
32.
Which is the Quantitative observation?
a)
Taste like chocolate
b)
3 cookies
33.

What name is given to the process of using your senses to learn about an object or event.

a)

Observe

b)

Predict

c)

Classify

d)

model

e)

Science

34.

What name is given to a reasonable guess of what you think will happen.

a)

observe

b)

classify

c)

predict

d)

model

35.

Place things with similar properties into groups

a)

Communicate

b)

Infer

c)

Observe

d)

Classify

36.
Which of these helps us observe very small objects more closely?
a)
Stopwatch
b)
Mass
c)
Microscope
d)
Scale
37.
Which of these helps us measure elapsed time in minutes and seconds?
a)
Stopwatch
b)
Mass
c)
Microscope
d)
Scale
38.

Which of these is the amount of matter, or the amount of stuff, in an object?

a)

Stopwatch

b)

Mass

c)

Microscope

d)

Scale

39.
Which of these measures temperature in degrees Celsius?
a)
Thermometer
b)
Hand lens
c)
Weight
d)
Graduated Cylinder
40.
Which of these helps us observe small objects or organisms?
a)
Thermometer
b)
Hand lens
c)
Weight
d)
Graduated Cylinder
41.

Which of these tools measures the volume of liquids in milliliters (ml)?

a)

Thermometer

b)

Hand lens

c)

Ruler

d)

Graduated Cylinder

42.

Which of these tools helps us measure mass in grams?

a)

Pipette

b)

Ruler

c)

Temperature

d)

Balance Scale

43.
What is the DEPENDENT variable (effect) 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
44.
What is the INDEPENDENT variable (cause)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
45.

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

a)

They type of pot you put the plants in.

b)

The amount you water each plant.

c)

The amount of sunlight the plants get.

d)

The amount the plant grows.

46.

If you were testing the time it took for objects of different sizes to reach the ground after being dropped from 30 feet in the air, which of these would be the DEPENDENT VARIABLE?

a)

The time it takes for each object to hit the ground.

b)

The size of each object.

c)

The type of object you use.

d)

The height you drop the object from

47.

A scientist is testing which flavor of ice cream melts the fastest. What would his controlled variables be? (choose ALL that apply)

a)

The flavor of ice cream

b)

the bowl the ice creams are in

c)

the place in the room where the ice cream is

d)

the size of the scoop

e)

the time it takes to melt

48.

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

a)

Solution

b)

Mixture

c)

Matter

d)

Solvent

49.

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

50.

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

a)

Solubility

b)

Solvent

c)

Mixture

d)

Solute

51.

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

a)

Solubility

b)

Solvent

c)

Solute

d)

Water

52.

What is this salad an example of?

a)

Mixture

b)

Property

c)

Solution

d)

Gas

53.
What are the three states of matter?
a)
solid, volume, mass
b)
density, volume, mass
c)
solid, liquid, gas
d)
density, gas, volume
54.

Anything that has mass and volume is ____.

a)

volume

b)

matter

c)

mass

d)

density

55.

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

a)

mass

b)

density

c)

volume

d)

matter

56.

The amount of space something takes up is ___.

a)

density

b)

volume

c)

mass

d)

matter

57.
Shape is a ____ that helps identify an object.
a)
physical property
b)
chemical property
c)
mass
d)
matter
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.

Concentration is

a)

the amount of solute in the solvent

b)

the amount of solvent in the solute

c)

density

d)

particle size

60.

In order to dilute a solution, you need to

a)

add more of the solid

b)

add more water

c)

find the mass

d)

find the volume

61.

A saturated solution is______

a)

a solution in which no more solute can be dissolved.

b)

a solution in which more solute can be dissolved.

62.

Italian dressing is a _____ because you must shake it to keep it mixed together.

a)

solution

b)

suspension

c)

colloid

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.

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

66.
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
67.

The speed of an object in a particular direction is called . . .

a)

speed

b)

velocity

c)

acceleration

d)

force

68.

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

a)

speed

b)

velocity

c)

acceleration

d)

force

69.

Forces that cause a change in motion are . . .

a)

gravity

b)

friction

c)

balanced forces

d)

unbalanced forces

70.

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

71.

A force that opposes motion; can act between two objects that are touching, or between air & a moving object . . .

a)

gravity

b)

friction

c)

balanced forces

d)

unbalanced forces

72.

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

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