Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

CRJH 8th Science Spring Final 2025

Total questions: 94

Worksheet time: 3hrs 34mins

Name
Class
Date
1.

In what organelle is the genetic material found inside?

a)

cell membrane

b)

chloroplast

c)

nucleus

d)

ribosome

2.

What organelle is called the "powerhouse" of a cell?

a)

mitochondria

b)

nucleus

c)

cell wall

d)

cell membrane

3.

A large central vacuole is found in a _____ cell.

a)

animal

b)

plant

4.

What is the function of a chloroplast?

a)

makes proteins for animal cells

b)

allows materials in and out of the cell

c)

provides structure and support

d)

absorbs sunlight for photosynthesis

5.

What is the structure that contains DNA and directs the cell?

a)

endoplasmic reticulum

b)

central vacuole

c)

cell wall

d)

nucleus

6.

Looking in a microscope, you see cells that have rectangular shapes and a green color. What type of cells are you probably viewing?

a)

plant cells

b)

animals cells

c)

muscle cells

d)

blood cells

7.

Identify the structure that is indicated by the arrow in the image.

a)

cell wall

b)

central vacuole

c)

chloroplast

d)

nucleus

8.

Identify the structure that is indicated by the arrow in the image.

a)

cell wall

b)

central vacuole

c)

chloroplast

d)

cell membrane

9.

The arrow is showing the fluid inside the cell that surrounds the cell organelles. What is the arrow pointing to in the cell?

a)

cytoplasm

b)

mitochondria

c)

ribosomes

d)

nucleus

10.

What type of cell is being shown in the image?

a)

plant

b)

animal

11.

Identify the structure that is labeled "C" in the image.

a)

central vacuole

b)

nucleus

c)

chloroplast

d)

mitochondria

e)

cell membrane

12.

Identify the structure that is labeled "H" in the image.

a)

cell wall

b)

chloroplast

c)

mitochondria

d)

nucleus

e)

cell membrane

13.

I make proteins for the cell. What am I?

a)

ribosome

b)

cell membrane

c)

nucleus

d)

chloroplast

14.

A segment of DNA that has the ability to code for a specific characteristic.

a)

gene

b)

trait

c)

chromosome

d)

chromatid

15.
Long strands of DNA are called
a)

Genome

b)

Chromosome

c)

Traits

d)

Genes

16.
Chromosomes are made of
a)

DNA

b)

RNA

c)

Amino Acids

d)

Adenine

17.

This is a picture of ?

a)

Gene

b)

Chromosome

c)

DNA

d)

Chromatid

18.

A scientist is looking at a section of a chromosome that carries the code for red hair in a human. What part of a chromosome is he observing?

a)

Trait

b)

Gene

c)

DNA Sequence

d)

The genome

19.

The sharp teeth of lions are what type of adaptation?

a)

Structural

b)

Physilogical

c)

Behavioral

20.

When food is scarce ( not much available), bears hibernate.What type of adaptation is this?

a)

Structural and Behavioral

b)

Physiological and Behavioral

c)

Physiological and Structural

21.

A bird uses its beak to take food

a)

Structural

b)

Physilogical

c)

Behavioral

22.

A giraffe has a long neck to obtain food.

a)

Structural

b)

Physilogical

c)

Behavioral

23.

Some kinds of birds migrate to the warmer places in the winter

a)

Structural

b)

Physilogical

c)

Behavioral

24.

The wings of a butterfly look like snake heads

a)

Camouflage

b)

Webbed Feet

c)

Pretend Play

d)

Mimicry

25.

Octopus changes its own colors to blend in with the sand

a)

Camouflage

b)

Webbed Feet

c)

Pretend Play

d)

Mimicry

26.

Skunk releases and sprays odor at predator

a)

Structural

b)

Behavioral

c)

Physiological

27.

Some animals pretend to be dead to protect themselves from predators

a)

Structural

b)

Behavioral

c)

Physiological

28.

Frogs use webbed feet to swim in water

a)

Structural

b)

Physilogical

c)

Behavioral

29.

Snake produces venom

a)

Structural Adaptation

b)

Behavioral Adaptation

c)

Physiological Adaptation

d)

Mimicry

30.

Octopus changes its own colors to blend in with the sand

a)

Behavioral Adaptation

b)

Physiological and Structural

c)

Structural and Behavioral

31.

The stripes of a zebra

a)

Camouflage

b)

Webbed Feet

c)

Pretend Play

d)

Mimicry

32.

The original source of energy for a food web is...

a)

plants

b)

sun

c)

producers

d)

decomposers

33.

Decomposers get energy from...

a)

the sun

b)

eating plants

c)

eating animals

d)

dead things and waste

34.

Arrows in a food web represent...

a)

eating

b)

sunlight

c)

energy

d)

matter

35.

Who is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

36.

The deer population has significantly increased in an ecosystem, the best hypothesis is 

a)
the deer's main predator has been eliminated
b)
competition increased
c)
decreased water levels of local ponds
d)
organisms that rely on similar food sources migrated to the area
37.
Which relationship describes predator/prey
a)
hawks and shrubs
b)
mountain lion and deer
c)
frogs and trees
d)
grasses and crickets
38.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
39.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
40.

Which type of organism should replace the X in the food web?

a)

an omnivore

b)

an herbivore

c)

a carnivore

d)

a producer

41.

Which list contains only animals that receive energy transferred directly from consumers in this food web?

a)

Red-tailed hawks, snowshoe hares, and caterpillars

b)

Snowshoe hares and caterpillars

c)

Snowshoe hares and shrews

d)

Shrews and red foxes

42.

ow many types of organisms in this food web obtain energy directly from producers?

a)

two

b)

three

c)

four

d)

five

43.

Which statement correctly describes the transfer of energy in a food chain in this wetland?

a)

Energy is transferred from hawks to shrews to grasshoppers to marsh grasses.

b)

Energy is transferred from marsh grasses to crickets to hawks to frogs.

c)

Energy is transferred from grasshoppers to crickets to frogs to hawks.

d)

Energy is transferred from cattails to crickets to shrews to hawks.

44.
Does this picture show biodiversity?
a)
Yes
b)
No
45.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
46.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
47.
When an ecosystem is more diverse it has more sustainability.
a)
False
b)
True
48.
What is sustainability?
a)
the ability to be maintained at a certain rate or level.
b)
a bunch of animals
c)
a loss
d)
a win
49.
Does this picture have sustainability?
a)
Yes
b)
No
50.

Does this have high or low biodiversity?

a)

High

b)

Low

51.
Does this have sustainability?
a)
Yes
b)
No
52.
If biodiversity is high then sustainability is ____?
a)
High
b)
Low
53.
If biodiversity is low then sustainability is ____?
a)
High
b)
Low
54.

Disruptions are always detrimental.

a)

True

b)

False

55.

Living and non-living things in a place

a)

Ecosystem

b)

Habitat

c)

Disrupt

d)

Adapt

56.

When an ecosystem is disrupted, organisms can ____.

a)

Move, Adapt, or Die

b)

Move, Fight, or Die

c)

Move, Adapt, or Dance

57.

What makes an ecosystem strong/weak in the face of change?

a)

Climate

b)

Average rainfall

c)

Biodiversity

d)

Sun exposure

58.

Which of the following type of diversity IS NOT an intertwined feature of biodiversity?

a)

ecosystem

b)

species

c)

genetic

d)

temperature

59.

In some environments, the removal of only ONE species can cause the entire ecosystem to unravel.

a)

TRUE

b)

FALSE

60.

Humanity has no impact on the biodiversity of most ecosystems on Earth.

a)

TRUE

b)

FALSE

61.

Which of the following are ways humans can cause the loss of biodiversity within an ecosystem?

a)

Habitat destruction

b)

Pollution

c)

Over-fishing / Over-hunting

d)

All of the Above

62.

Ecosystems only include the living and non-living factors within it.

a)

TRUE

b)

FALSE

63.

Which of the following would count as a disruption to an ecosystem?

a)

Change in temperature

b)

Natural disaster

c)

Invasive species

d)

All of the Above

64.

What do scientist call organisms that are not native to an ecosystem and cause harm to native organisms?

a)

native plants

b)

invaders

c)

invasive species

d)

natural species

65.
6. A squirrel makes a change to its environment when it —
a)
climbs a tree
b)
digs a hole to bury an acorn
c)
collects acorns
d)
jumps from tree to tree
66.

When a certain population becomes too large, and it harms or changes the quality of life in that environment, we have an...

a)

a population

b)

overpopulation

c)

pollution

67.

There are many large-mouth bass, a type of fish, living in a small lake near Waco, Texas. How would increased fishing in the lake effect the lake ecosystem?

a)

Predators of the bass might starve due to loss of a food source

b)

The population of the bass’ prey would decrease.

c)

The bass would spend more time swimming near the surface

d)

Water level in the lake would decrease as more fishing took place

68.

How does overgrazing by herbivores change an environment?

a)

It causes a lot of erosion and vegetation(producers) can't grow.

b)

It makes the land beautiful and lush

c)

There is no problem when grazers eat too much grass

d)

The grazers add nutrients to the land

69.

Which of the following is a piece of evidence that supports global warming?

a)

Increase in Earth's average global temperature

b)

Increase in sea level

c)

Decrease in energy (radiation) emitted by the sun

d)

Decrease in size/mass of the Arctic Polar Ice Caps

70.

Heat trapped by greenhouse gases is called

a)

Climate Change

b)

Ozone Layer

c)

Greenhouse Effect

d)

Global Warming

71.

Define Global Warming

a)

Heat is trapped by greenhouse gases

b)

Increase in Earth's average temperature

c)

Significant long-term change in the expected patterns of average weather over time

d)

Layer of gas that shields Earth from UV light

72.

True or False: Water vapor and carbon dioxide are two types of greenhouse gases.

a)

True

b)

False

73.

All of these graphs reveal scientific evidence for climate change. Which graph has the most significant increase of change in a short period of time?

a)
b)
c)
d)
74.
Which human activity contributes the MOST carbon dioxide to the atmosphere?
a)
Fishing
b)
Breathing
c)
Burning Fossil Fuels
d)
Farming
75.

When did climate change (CO2 in the atmosphere) increase significantly?

a)

1800s Industrial Revolution

b)

1600s Industrial Revolution

c)

1800 Crusades

d)

1600 Crusades

76.

The following natural event has the power to create temperature decreases, and one such event even caused a "year without a summer."

a)

Milankovich Cycles

b)

Volcanic Eruption

c)

Solar Radiation

d)

Movement of Earth's Crust

e)

El Nino

77.

Which of the natural factors experiences peaks of activity every 3 to 10 years, and occurs in the Pacific Ocean?

a)

Milankovich Cycles

b)

Volcanic Eruptions

c)

Solar Radiation

d)

Movement of Earth's Crust

e)

El Nino

78.

This period is known as the _______________ and is significant because people started using fossil fuels for factories and transportation.

a)

Industrial Revolution

b)

Mechanical Evolution

c)

Machinery Revolution

d)

Manufacturing Evolution

79.

According to the "Greenhouse Gases" section, as CO2 levels decrease, glaciers _________, and as CO2 increase, glaciers ________.

a)

shrink, grow

b)

grow, shrink

80.

According to the "Deforestation and population growth" section, as technology improved the human population ___________.

a)

Increased

b)

Decreased

c)

Stayed the same

81.

True or false, as human population increases we need more land to build homes and grow crops.

a)

True

b)

False

82.

What happens as trees are burned to clear way for homes and farming?

a)

Less carbon dioxide is released into the air

b)

More carbon dioxide is released into the air

83.

What does heat do when convection currents are moving?

a)

Sinks

b)

Rises

c)

Stays in place

84.

Which picture shows material that is more dense?

a)

The picture of the left

b)

The picture on the right

85.

When do particles move faster?

a)

In hot water

b)

In cold water

86.

What is an example of a convection current?

a)

Touching a hot spoon that was in a soup bowl.

b)

Feeling the suns rays on a nice summer day.

c)

Touching an iron skillet after cooking and feeling the heat.

d)

Movement of gas in a hot air balloon.

87.
In convection, WARM air
a)
Rises
b)
Sinks
88.
In convection, COOL air
a)
Rises
b)
Sinks
89.
Energy for convection on the Earth comes from...
a)
The sun
b)
The moon
c)
Solar winds
d)
The ocean
90.

Cold air is denser than warm air, so it sinks. What kind of pressure area does this create?

a)

Dense pressure

b)

High pressure

c)

Low pressure

d)

No pressure

91.

Which of the following increases air’s ability to hold water vapor?

a)

Increase in wind speed

b)

Decrease in temperature

c)

Increase in temperature

d)

Decrease in air pressure

92.

In some years there are more hurricanes than usual. This is probably because

a)

the ocean is warmer than usual.

b)

the ozone layer is very thin.

c)

there are more windy days than usual.

d)

the gravitational pull of the Moon is stronger.

93.

What do hurricanes, tornadoes, and thunderstorms all have in common?

a)

Cold temperatures

b)

Low air pressure

c)

Storm surge

d)

High air pressure

94.

As a hurricane moves through warm waters, the water evaporates and the storm intensifies. What is the most likely effect as a hurricane moves inland?

a)

The hurricane gains moisture.

b)

The hurricane gains wind speed.

c)

The hurricane becomes weaker.

d)

The hurricane becomes stronger.

Similar Resources on Wayground

Quarter 1 Review

90 questions

Quarter 1 Review

quiz

Worksheet

•

8th Grade

2nd Common Assessment Review 2024-25

93 questions

2nd Common Assessment Review 2024-25

quiz

Worksheet

•

8th Grade

PS9 Physics Final Exam Prep

94 questions

PS9 Physics Final Exam Prep

quiz

Worksheet

•

8th - 9th Grade

Freshwater

92 questions

Freshwater

quiz

Worksheet

•

8th Grade

Speed and velocity

97 questions

Speed and velocity

quiz

Worksheet

•

8th Grade

Forces Revision

95 questions

Forces Revision

quiz

Worksheet

•

8th Grade

7th Grade Integrated Science Final Exam REVIEW

99 questions

7th Grade Integrated Science Final Exam REVIEW

quiz

Worksheet

•

5th - 8th Grade

Final Exam Review--Physical Science

95 questions

Final Exam Review--Physical Science

quiz

Worksheet

•

8th Grade