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Y4SC REVISION C1-3

Total questions: 205

Worksheet time: 3hrs 36mins

Name
Class
Date
1.
How many bones are there in the human body?
a)
106
b)
406
c)
260
d)
206
2.
The _____ protects the brain, inner ears, and eyes.
a)
brain
b)
skull
c)
bones
d)
ribs
3.

Which part of the skeleton protects the heart and lungs?

a)

Ribs

b)

Backbone

c)

Skull

d)

Chest

4.

What happens to your skeleton as your grow?

a)

It grows

b)

It stays the same size

c)

It gets smaller

5.

An animal without a backbone is called a ...

a)

Invertebrate

b)

Vertebrate

c)

Spine

d)

Backbone

6.

We need a skeleton

a)

so we can move

b)

for support

c)

for protection

d)

All of the answers

7.

What is this bone called?

a)

Spine

b)

Backbone

c)

Hip Bone

8.

Which letter shows the shin bone?

a)

A

b)

B

c)

C

d)

D

9.

Name this bone

a)

collar bone

b)

shoulder blade

c)

rib cage

10.

Name this bone

a)

upper arm bone

b)

lower arm bone

c)

shin bone

11.

Name this bone

a)

thigh bone

b)

shin bone

c)

Joint

12.
a)
Snake
b)
Pelvis
c)
Spine
d)
Femur
13.

What bone is highlighted?

a)

shoulder blade

b)

collar bone

c)

rib cage

14.
What is our skeleton made up of?
a)
Bones
b)
Intestines
c)
Lungs
d)
Heart
15.
What mineral are bones made of?
a)
Vitamin C
b)
Calcium
c)
Zinc
d)
Vitamin B
16.

Which of these are short bones

a)

finger bones

b)

toe bones

c)

hip bone

d)

skull

17.

Name the largest bone in the body

(a)  

18.

The skull is made of 1 bone

a)

True

b)

False

19.

Name the smallest bone found in human body

(a)  

20.

What protects the the heart and other internal organs?

a)

Scapula

b)

Ribcage

c)

Pelvis

d)

Clavicle

21.
The bowl shaped collection of bones that protect your internal organs such as your digestive system is called the __________.
a)
Pelvis
b)
Ribcage
c)
Spine
d)
Abdomen
22.

Which part of the skeleton protects the lungs?

a)

Femur

b)

Ribs

c)

Pelvis

d)

Humerus

23.
The scientific name for skull is______________.
a)
cranium
b)
brain
c)
head
d)
noggin
24.

What bone is highlighted in red?

a)

tarsals

b)

carpals

c)

vertebrae

d)

femur

25.

What bone is highlighted in red?

a)

ulna

b)

radius

c)

humerus

d)

patella

26.

What is the name of the bone highlighted in red?

a)

clavicle

b)

tibia

c)

humerus

d)

femur

27.

What bone is highlighted in red?

a)

Ulna

b)

Radius

c)

Humerus

d)

Pelvis

28.
What bone is this?
a)
Patella
b)
Pelvis
c)
Ulna
d)
Radius
29.
What bone is this?
a)
Femur
b)
Humorous
c)
Tibia
d)
Fibula
30.

What bone is highlighted in red?

a)

femur

b)

tibia

c)

fibula

d)

metatarsals

31.

Name this bone highlighted in red.

a)

tibia

b)

fibula

c)

femur

d)

humerus

32.

One muscle _______ and the other _______.

a)

works, works harder

b)

contract, relaxes

33.

Muscles pull on _______ to help you move.

a)

Body parts

b)

Other muscles

c)

Bones

34.

What happens when the bicep contracts?

a)

the tricep relaxes

b)

the tricep contracts

c)

the bicep relaxes

d)

the bicep freezes

35.

What happens when the bicep relaxes?

a)

the tricep relaxes

b)

the tricep contracts

c)

the bicep relaxes

d)

the bicep freezes

36.
In the picture, when the hand raises, what is happening to the arm?
a)
The bicep is relaxing from the force from the bone.
b)
The tricep is relaxing.
c)
The bicep is freezing.
d)
The tendon puts a force on the tricep.
37.

What muscle is highlighted in the picture?

a)

Triceps

b)

Biceps

c)

Quads

d)

Deltoids

38.

What muscle is highlighted in the picture?

a)

Triceps

b)

Biceps

c)

Quads

d)

Deltoids

39.

The main purpose of the muscular system is to....

a)

Transport nutrients, materials, and gases

b)

Move the body

c)

Break down food for nutrients

d)

Help with gas exchange

40.

Which of the following statements best describe how the arm bends at the elbow?

a)

Bicep contracts to bend arm at the elbow while the tricep relaxes.

b)

Bicep contracts to bend arm at the elbow

c)

Tricep contracts to bend arm at the elbow

d)

Tricep contracts to bend arm at the elbow while the bicep relaxes.

41.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
42.

Muscles work in pairs. When one contracts, the other.....

a)

Gets bigger

b)

Relaxes

c)

Moves antagonostically

d)

Contracts as well

43.
What body parts are these two using?
a)
muscles
b)
bones
c)
joints
d)
all of these
44.

Name the highlighted muscle

a)

triceps

b)

biceps

c)

rectus femoris

d)

trapezius

45.

Name the highlighted muscle

a)

tricep

b)

bicep

c)

bicep femoris

d)

extensor longus

46.

Muscles in your body move in _________.

a)

points

b)

their own way

c)

pairs

47.

what is the suport system for this insect?

a)

endoskeleton

b)

exoskeleton

c)

hydrostatic skeleton

d)

chitin

48.

why do aquatic vertebrates have a smaller endoskeleton compared to land vertebrates of the same body mass?

a)

they have exoskeleton to support their body weight

b)

they are mostly supported by water bouyancy

c)

their fatty tissues support their weight

d)

they move very slowly and are inactive

49.

in the water, this animal is supported by....

a)

hydrostatic skeleton and endoskeleton

b)

water bouyancy and exokeleton

c)

exoskeleton and hydrostatic skeleton

d)

hydrostatic skeleton and water bouyancy

50.

which animals have the same support system as the rabbit?

a)

turtle and starfish

b)

bird and whale

c)

scorpion and crab

d)

snake and caterpillar

51.

what are the functions of skeleton in vertebrate animals? choose two from below....

a)

support the body weight

b)

protect animals from their enemy

c)

helps animals to grow

d)

maintain the shape of the animals' body

52.

Animal X has very weak pectoral and pelvic girdles. Which of the following is an example of animal X?

a)
b)
c)
d)
53.

Which of the following statements are true regarding aquatic vertebrates?

i) they have very big pelvic girdles

ii) they have very strong pectoral girdles

iii) they are supported by the buoyancy of water

a)

iii only

b)

i and ii only

c)

ii and iii only

d)

i, ii and iii

54.

Whales will die if they are washed ashore. his is because

i) they enormous body weight will press down on their organs and crush them.

ii) their body temperature becomes very high on land

iii) they cannot breathe on land

a)

i only

b)

iii only

c)

i and ii only

d)

i,ii and iii

55.

Which animal in not supported by an exoskeleton?

a)
b)
c)
d)
56.

What means exoskeletons?

a)

Is the same as vertebrates animals

b)

Hard skeletons on the outside of the bodies of the animals

c)

Hard skeletons on the inside of the bodies of the animals

57.

Which of the following is NOT a function of an endoskeleton?

a)

To enable movement

b)

To protect the internal organs

c)

To increase the weight of the body

d)

To maintain the shape of the body

58.

A shell is a type of _____

a)

exoskeleton

b)

endoskeleton

c)

hydrostatic skeleton

59.

Most endoskeletons are made of.....

a)

cartilage

b)

fluid

c)

bone

60.

Tortoises and turtles have both endoskeletons and exoskeletons

a)

TRUE

b)

FALSE

61.

Mammals and birds get support from

a)

endoskeleton

b)

exoskeleton

62.

Which if the following statements about stability is correct?

a)

the mother cow has a higher centre of gravity

b)

the baby cow has a wider base area

c)

the mother cow is more stable because her endoskeleton is heavier

d)

the baby cow is less stable because its endoskeleton is lighter

63.

Which of the following statement is TRUE about the pigeons that have hollow bones?

a)

weight decrease

b)

they can stand straight

c)

their bones are easily broken

d)

their body support system is more compact

64.

What is the longest bone in the skeletal system of humans?

a)

cranium

b)

sternum

c)

femur / Thigh bone

d)

ribs

65.

What factors affected the stability of animals such as kangaroo and giraffe?

a)

area width and height

b)

center of gravity and support

c)

height and size

d)

center of gravity and area width

66.

What animal is this?

a)

chicken

b)

duck

c)

fly

d)

eagle

67.

What animal is this?

a)

crocodile

b)

blue whale

c)

dolphin

d)

lizard

68.

It has no arms or legs. Its skeleton is a long backbone with ribs. What is it?

a)

snake

b)

frog

c)

horse

d)

dinosaur

69.

What shape are your bones?

a)

square

b)

triangle

c)

circle

d)

many shapes

70.

Is each animal's skeleton similar or different?

a)

similar

b)

different

71.

Look at this skeleton.

It has long back legs for hopping.

Its back legs are longer than its body.

What animal is this?

a)
b)
c)
d)
72.

Look at the skeleton.

It has long legs and large lungs.

It runs well.

What animal is it?

a)
b)
c)
d)
73.

What is skull?

a)
b)
c)
d)
74.

Why eagle can fly?

a)

Because its bones are strong.

b)

Because its bones are heavy and large.

c)

Because its bones are hollow and light.

d)

Because its bones are small and long.

75.

Snake has no arms and legs, so it

a)

swim

b)

run

c)

hop

d)

slithers

76.
What is the definition of a exoskeleton?
a)
Hard outer covering that provides support and protection
b)
The internal  skeleton of the body of an animal
c)
cell
77.
What is a example of a exoskeleton?
a)
Fish
b)
Elephant
c)
Grasshopper
78.
Can a exoskeleton be a shell?
a)
Yes
b)
No
79.
What kind of skeletons does the following animals have: Birds, snakes, frog and fish.
a)
Exoskeleton
b)
Endoskeleton
80.

Most of ..................... have support from exoskeleton

a)

Mammals

b)

Fish

c)

Invertebrates

d)

Reptiles

81.

A shell is a type of _____

a)

exoskeleton

b)

endoskeleton

c)

hydrostatic skeleton

82.
state of matter with a fixed shape; does not take the shape of its container
a)
solid
b)
liquid
c)
gas
d)
water
83.
state of matter that can be poured; takes the shape of its container
a)
solid
b)
liquid
c)
gas
84.
state of matter that spreads out to completely fill its container
a)
solid
b)
liquid
c)
gas
d)
water
85.
water in gas form (moisture in the air)
a)
water vapor
b)
oxygen
c)
ice
d)
rain
86.
the temperature at which liquid water changes into solid ice
CHOOSE THE WRONG ANSWER
a)
32o F
b)
boiling point
c)
freezing point
d)
0o C
87.
the temperature at which liquid water changes into water vapor (gas)
CHOOSE THE WRONG ANSWER
a)
boiling point
b)
freezing point
c)
212o F
d)
100o C
88.

What must be done to change water from liquid to solid?

a)

Raise the temperature.

b)

Lower the temperature.

89.

What must be done to change water from solid to liquid?

a)

Raise the temperature.

b)

Lower the temperature.

90.

What must happen to water vapor (gas) to become liquid water?

a)

It must be heated.

b)

It must be cooled.

91.

What must happen for liquid water to evaporate (become a gas)?

a)

It must be heated.

b)

It must be cooled.

92.

when water changes from a liquid to a gas - caused by heat

a)

evaporation

b)

condensation

c)

freezing

d)

melting

93.

What state of matter is this Solid to Gas?

a)

Deposition

b)

Evaporation

c)

Condensation

94.

when water vapor (a gas) is cooled and forms liquid water

a)

evaporation

b)

condensation

c)

freezing

d)

melting

95.

Example of non matter

a)

Water

b)

Oxygen

c)

Heat

d)

Rock

96.

Example of matter

a)

Light

b)

Oxygen

c)

SOund

d)

Time

97.

Particles are closed and regular arrangement

a)

Solid

b)

Liquid

c)

Gas

98.

Particles move quickly in each direction

a)

Solid

b)

Liquid

c)

Gas

99.

Cannot be compressed

a)

Solid

b)

Liquid

c)

Gas

100.

Definite and fixed

a)

Solid

b)

Liquid

c)

Gas

101.

Big space between particles

a)

Solid

b)

Liquid

c)

Gas

102.

Medium attraction between particles

a)

Solid

b)

Liquid

c)

Gas

103.

Easily compressed

a)

Solid

b)

Liquid

c)

Gas

104.

X is

(a)  

105.

(a)   (solids/liquids/gases) has a definite shape and size.

106.

(a)   (A solid/A liquid/A gas) takes the shape of container in which they are poured.

107.

Anything that has mass and occupies space is called (matter/non-matter) (a)  

108.

(a)   (A solid/A liquid/A gas) is a thing that has no shape and size of its own.

109.

Water exists in (a)   (three/two/one) form.

110.

Air is a mixture of (liquids/gases) (a)  

111.

The particles of (solids/liquids/gases) (a)   are packed very close to each other.

112.

(a)   (solid/liquid/gas) do not have a definite shape.

113.

(a)   ( milk/an eraser) is an example of liquid.

114.

The particles of (a)   (solids/liquids/gases) are packed loosely to each other.

115.

an organism that eats only animals

a)

omnivore

b)

carnivore

c)

herbivore

d)

energy pyramid

116.

an organism that eats both plants and animals

a)

omnivore

b)

herbivore

c)

food web

d)

carnivore

117.

an organism that eats only plants

a)

food web

b)

carnivore

c)

omnivore

d)

herbivore

118.

Organisms that can make their own food from sunlight are called

a)

decomposers

b)

consumers

c)

producers

d)

carnivores

119.

the pathway of energy transfer as a result of the feeding patterns of organisms

a)

food chain

b)

food web

c)

energy pyramid

d)

herbivore

120.

omnivores eat?

a)

meat

b)

grass

c)

both meat and grass

d)

pop tarts

121.

Where do animals and birds get the energy they need to create their body heat?

a)

the food they eat

b)

the sunlight they absorb

c)

the air they breathe

d)

from the amount of blood their bodies produce

122.

All food chains begin with a...

a)

grass

b)

producer

c)

consumer

d)

decomposer

123.

The second link in a food chain is a...

a)

consumer

b)

producer

c)

herbivore

d)

carnivore

124.

A herbivore is a...

a)

consumer that eats both plants and other animals

b)

consumer that only eats other animals

c)

consumer that only eats plants

125.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
126.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
127.
Who does the owl get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
128.
Who is the producer in this food chain? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
129.
Where do all life forms get their energy?
a)
Earth's Core
b)
Water
c)
Plants
d)
The Sun
130.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
131.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
132.

A food chain is:

a)

an animal that eats only plants.

b)

a diagram that shows how energy moves from one organism to another. (Grass>Mouse>Owl)

c)

An animal that is hunted and eaten by another animal.

133.

A living thing:

a)

organism

b)

rock

c)

weather

134.
What is a food chain?
a)
A chain that shows the transfer of energy
b)
A chain to hold your wallet
c)
A necklace
d)
Food that you eat over and over
135.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
136.
An animal that eats only plants is an...
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
137.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
138.
The way energy is passed from one organism to another
a)
food chain
b)
energy
c)
extinct
d)
habitat
139.

How are the living creatures in an ecosystem linked?

a)

By what they eat

b)

By how they breathe

c)

By their size

d)

By their species`

140.

Which of the following is a producer?

a)
b)
c)
d)
141.

Through what process do producers make their own food?

a)

Parthenogenesis

b)

Photosynthesis

c)

Meiosis

d)

Mitosis

142.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
143.
If a hawk eats a snake, the snake is the...
a)
Predator
b)
Alpha
c)
Prey
d)
Mutualistic partner
144.
a living thing that makes its own food
a)
producer
b)
consumer
c)
decomposer
d)
herbivore
145.
a living thing that must eat other living things
a)
producer
b)
consumer
c)
decomposer
d)
carnivore
146.
an organism that breaks down dead plants and animals
a)
producer
b)
consumer
c)
decomposer
d)
onmivore
147.
what is needed to do work
a)
energy
b)
organism
c)
prey
d)
food chain
148.
a consumer that eats only plants
a)
herbivore
b)
carnivore
c)
omnivore
d)
predator
149.
a consumer that eats only other animals (meat)
a)
herbivore
b)
carnivore
c)
omnivore
d)
decomposer
150.
a consumer that eats both plants and other animals
a)
herbivore
b)
carnivore
c)
omnivore
d)
producer
151.
an animal that hunts and eats other animals
a)
predator
b)
prey
c)
herbivore
d)
producer
152.
an animal that is hunted by another animal
a)
predator
b)
prey
c)
producer
d)
carnivore
153.

Identify the energy transfer

a)

chemical to kinetic

b)

solar to electrical

c)

thermal to light

d)

electrical to light

154.

Identify the energy transfer

a)

mechanical to sound

b)

chemical to electrical

c)

sound to mechanical

d)

thermal to sound

155.

What types of energy are involved in this change?

a)

heat

b)

light

c)

sound

d)

motion

e)

electrical

156.

Stomping your feet is an example of _________ energy. (Choose the best answer)

a)

light

b)

sound

c)

electrical

d)

heat

157.

Hitting a ball with a baseball bat is an example of _______ energy.

a)

electrical

b)

light

c)

heat

d)

motion

158.

True or False: A baseball slamming into the catcher's mitt is evidence of energy causing change.

a)

True

b)

False

159.

A player catches a moving ball. What happens to some of the ball's energy when it hits the player's mitt?

a)

It changes to light.

b)

It changes to electricity.

c)

It changes to sound.

d)

It is destroyed.

160.
Batteries store energy as _________ energy.
a)
motion
b)
solar
c)
chemical
d)
electrical
161.

Which of the following can move energy from place to place?

a)

sound

b)

a moving baseball

c)

electric currents

d)

all of the above

162.

A circuit has a switch, a battery, and a bulb. When the switch is closed, the light turns on. What type of energy moves through the wires of this closed circuit?

a)

sound

b)

chemical

c)

electrical

d)

physical

163.

When you add hot soup to a cold bowl, ______ energy transfers from the soup to the bowl.

a)

motion energy

b)

light energy

c)

sound energy

d)

heat energy

164.

Playing a drum produces ________, which is a form of energy that you can hear.

a)

light

b)

sound

c)

heat

d)

stored energy

165.

energy is the ability to cause _______.

a)

motion

b)

position

c)

change

d)

evidence

166.

Energy can ______ from one object to another object.

a)

change

b)

transfer

c)

collide

d)

convert

167.

Heat, light and sound are examples of _________.

a)

energy

b)

position

c)

distance

d)

energy of motion

168.

Computers are powered by _______.

a)

light energy

b)

stored energy

c)

electricity

d)

sound

169.

You kick a soccer ball at the goal. This is an example of ________ energy.

a)

light

b)

electrical

c)

motion

d)

heat

170.

What two kinds of energy are the lamps transferring to the food?

a)

light and heat

b)

light and sound

c)

electrical and motion

d)

sound and heat

171.

The bike Dr. Jeff's mom is riding uses a generator to convert _____________ energy to ________________ energy, which is then used to charge BERT.

a)

solar, mechanical

b)

motion, electrical

c)

heat, steam

d)

hydro, electrical

172.

Choose which things might spin a generator to produce electricity. (Check all that apply)

a)

wind

b)

water

c)

animals

173.

Batteries store energy as chemical energy.

a)

True

b)

False

174.

Zoe's s'more maker is an example of transferring energy through:

a)

light

b)

sound

c)

electricity

d)

lasers

175.

What does a solar cell do?

a)

it converts light into electrical energy

b)

it converts wind into electrical energy

c)

it transmits radio wave signals into space

d)

it converts water into solar energy

176.

Identify the energy transfer

a)

electrical to chemical to light

b)

kinetic to potential

c)

chemical to electrical to light

d)

light to sound

177.

Identify the energy transfer

a)

mechanical to sound

b)

chemical to electrical

c)

sound to mechanical

d)

thermal to sound

178.

Identify the energy transfer (photosynthesis)

a)

light to electrical

b)

solar to chemical

c)

chemical to thermal

d)

solar to chemical

179.

Identify the energy transfer

a)

chemical to kinetic

b)

solar to electrical

c)

thermal to light

d)

electrical to light

180.

Identify the energy transfer

a)

light to electrical to chemical

b)

chemical to electrical to light

c)

electrical to chemical to light

d)

chemical to electrical to solar

181.

Identify the energy transfer

a)

mechanical to light

b)

chemical to kinetic

c)

electrical to mechanical

d)

kinetic to thermal

182.

Identify the energy transfer

a)

chemical to light

b)

thermal to electrical

c)

chemical to heat

d)

electrical to thermal

183.

Identify the energy transfer

a)

chemical to electrical to sound

b)

sound to electrical to chemical

c)

electrical to sound to chemical

d)

potential to kinetic to light

184.

Identify the energy transfer

a)

kinetic to mechamical

b)

light to thermal

c)

potential to kinetic

d)

electrical to magnetism

185.

Identify the energy transfer

a)

chemical to solar

b)

electrical to thermal

c)

chemical to light

d)

thermal to kinetiv

186.

Identify the energy transfer

a)

potential to chemical

b)

electrical to kinetic

c)

mechanical to sound

d)

chemical to thermal

187.

Identify the energy transfer

a)

light to heat

b)

chemical to mechanical

c)

solar to elecrical

d)

thermal to chemical

188.

When you eat food, your body gains ___________ energy.

a)

electrical

b)

chemical

c)

thermal

d)

light

189.

What type of energy can be sensed by the eyes?

a)

sound

b)

thermal

c)

electrical

d)

light

190.
Which form of energy is mostly produced in this conversion?
a)
Electrical
b)
Mechanical
c)
Thermal
d)
Sound
191.
Which form of energy is mostly produced in this conversion?
a)
Electrical
b)
Mechanical
c)
Thermal
d)
Sound
192.
This tool's purpose is to generate which form of energy?
a)
Electrical
b)
Light
c)
Mechanical
d)
Sound
193.
Which form of energy is mostly produced in this conversion?
a)
Electrical
b)
Mechanical
c)
Thermal
d)
Sound
194.
This tool's purpose is to produce which form of energy?
a)
Electrical
b)
Mechanical
c)
Sound
d)
Thermal
195.
Which is an example of something that transfers heat by radiation?
a)
the sun
b)
stove burner
c)
hot air balloon
196.
a)

Light to Thermal

b)

Electrical to Light

c)

Mechanical to Light

d)

Sound to Light

197.
a)

Mechanical to Sound

b)

Mechanical to Light

c)

Sound to Light

d)

Sound to Thermal

198.
a)

Sound to Thermal

b)

Thermal to Light

c)

Mechanical to Light

d)

Electrical to Thermal

199.
a)

Mechanical to Thermal

b)

Sound to Light

c)

Mechanical to Sound

d)

Electrical to Sound

200.
a)

Light to Thermal

b)

Light to Sound

c)

Mechanical to Sound

d)

Chemical to Light

201.
a)

Chemical to Mechanical

b)

Light to Thermal

c)

Thermal to Electrical

d)

Light to Sound

202.
a)

Sound to Light

b)

Mechanical to Electrical

c)

Electrical to Thermal

d)

Chemical to Light

203.
a)

Electrical to Sound

b)

Thermal to Light

c)

Sound to Mechanical

d)

Chemical to Light

204.
a)

Chemical to Thermal

b)

Sound to Light

c)

Mechanical to Sound

d)

Sound to Electrical

205.
a)

Thermal to Light

b)

Chemical to Mechanical

c)

Mechanical to Mechanical

d)

Sound to Thermal

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STEM 7/8/2022

200 questions

STEM 7/8/2022

quiz

Worksheet

•

1st - 12th Grade