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Year 3 review Semester 1 2024

Total questions: 100

Worksheet time: 2hrs 6mins

Name
Class
Date
1.

When one side of the Earth is having day-time the other side of the Earth does not get sunlight?

a)

TRUE

b)

FALSE

2.

When it is night on one side of the Earth, what is it on the other side of the Earth?

a)

Day

b)

Night

3.

When part of the earth faces the sun, it is ......

a)

day time

b)

night time

c)

no time

4.

When part of the earth faces AWAY from the sun, it is....

a)

no time

b)

day time

c)

night time

5.

Which part of the Earth has daytime?

a)

A

b)

B

c)

C

6.

Which part of the Earth has night time?

a)

A

b)

B

c)

C

7.

Why CAN'T we see the sun at night?

a)

Because the sun stop shining at night.

b)

Because the Earth keeps spinning and it faces away the sun.

c)

Because the sun disappears at night.

8.

The sun looks like it moves across the sky because of the Earth's rotation.

a)

true

b)

false

9.

From the 8 in morning to 11 o'clock the sun is getting _____

a)

higher

b)

middle

c)

lower

10.

On which part of the day is the sun on its highest position?

a)

morning

b)

midday

c)

evening

11.

From the 1 in the afternoon to 4 o'clock the sun is getting _____

a)

higher

b)

middle

c)

lower

12.

The sun looks like it moves across the sky because the Earth _______.

a)

is big

b)

flies

c)

spins

d)

is in space

13.

Which statement below is WRONG?

a)

The sun does not move. It always stays on its position.

b)

The Earth moves around the sun.

c)

The sun moves across the sky.

14.

The location of a shadow depends on where the light source is coming from.

a)

true

b)

false

15.

Choose the right shadow that can be created based on the sun position.

a)
b)
c)
16.

Which direction is right for creating this shadow

a)

1

b)

2

c)

3

17.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

18.

Long shadows are formed when the sun is _____

a)

high in the sky

b)

low in the sky

19.

Short shadows are formed when the sun is _____

a)

high in the sky

b)

low in the sky

20.

Shadows are shortest ...

a)

at night

b)

in the morning

c)

in the middle of the day

d)

in the evening

21.

Shadows are longest during _______.

a)

morning and evening

b)

noon

c)

night

22.

What causes the length of a shadow to change throughout the day?

a)

The Earth's rotation

b)

The moon's position

c)

The sun's brightness

23.

At what time of day are shadows the longest?

a)

Morning

b)

Midday

c)

Evening

24.

Why do we have day and night?

a)

Because the sun moves around the Earth

b)

Because the Earth rotates on its axis

c)

Because the moon blocks the sun

25.

When an object blocks the path of light, what is formed?

a)

A problem

b)

A fog

c)

A reflection

d)

A shadow

26.

When an object moves closer to a light source, its shadow...

a)

Gets smaller

b)

Gets bigger

c)

Changes shape

d)

Stays the same size

27.

When the Sun is behind you, your shadow is ...

a)

behind you

b)

in front of you

c)

at the side of you

d)

not there

28.

Why do shadows made by the Sun move throughout the day?

a)

Because the weather changes

b)

Because someone moves the objects

c)

Because the sun appears to move across the sky

d)

Because it's magic!

29.

When the sun gets higher in the sky, shadows get ______.

a)

longer

b)

gone

c)

shorter

d)

darker

30.

Which object allows you to see your reflection?

a)

rock

b)

mirror

c)

paper

31.

12.Translucent is?

a)

When light bounces off an object

b)

Material that only allows a little light to pass through

c)

Our main source of light

32.

Opaque is?

a)

Material that allows light to pass through

b)

Light made by nature

c)

Material that allows no light to pass through

33.

Transparent is?

a)

A material that allows light to pass through

b)

The colors of the rainbow

c)

Light made by man

34.

When was this picture most likely taken?

(Hint: think about the shadow's length)

a)

morning or evening

b)

night

c)

noon

d)

afternoon

35.

When was this picture most likely taken?

(Hint: think about the shadow's length)

a)

morning or evening

b)

night

c)

noon

36.

Where will the tree's shadow be?

a)

A

b)

B

c)

C

37.

Which position of the sun will make the longest shadow?

a)

A

b)

B

c)

C

38.

What do shadows on Earth help show?

a)

Earth's rotation

b)

Earth's revolution

c)

Earth's equator

d)

Earth's axis

39.
What causes day and night?
a)
Earth's orbit around the sun
b)
Earth's rotation on its axis
c)
the sun's rotation
d)
the moon's shadow
40.
How long does it take for the Earth to do one rotation on its axis?
a)
60 seconds
b)
24 hours
c)
365 days
d)
1 light year
41.
At which location of the sun would the shadow of the light pole be the longest?
a)
A  at 11 a.m
b)
B at noon
c)
C at 2 p.m.
d)
D at 6 p.m. 
42.
What does Earth do when it rotates?
a)
It turns.
b)
It gives off heat.
c)
It moves farther from the sun.
d)
It changes the seasons.
43.
What happens when Earth rotates?
a)
The shape of the sun changes.
b)
The length of a shadow changes.
c)
The number of hours in a day changes. 
d)
The moon falls out of the sky. 
44.
What does the arrow show on this picture of the Earth?
a)
how many times Earth rotates
b)
the direction in which Earth rotates
c)
how fast Earth moves around the sun
d)
how fast airplanes travel around the Earth
45.
Where would you see the most shadows?
a)
inside a dark room
b)
outside on a cloudy day
c)
inside a closet
d)
outside on a sunny day
46.
Which is true about the sun when shadows are long?
a)
It is low in the sky.
b)
It is high in the sky.
c)
It cannot be seen in the sky.
d)
It is behind a cloud.
47.

When the sun gets higher in the sky, shadows get ______.

a)

longer

b)

gone

c)

shorter

d)

darker

48.
You are getting ready for school.  On the other side of the world, students are getting ready for _______.
a)
school
b)
bed
c)
lunch
49.
If Earth is facing toward the Sun we will experience...
a)
night
b)
day
c)
seasons
50.
What time of day are shadows the shortest? 
a)
Early morning
b)
sunset
c)
Noon
51.

How do sound waves travel?

a)

Very high in the sky.

b)

In cars.

c)

With two suitcases

d)

Through vibrations.

52.

The object that the flashlight is shining on can be described as.

a)

transparent

b)

translucent

c)

opaque

53.

What helps our eyes to SEE?

a)

light

b)

sound

c)

heat

54.

A thermometer measures

a)

temperature

b)

weight

c)

sound

d)

light

55.

Which object below does not produce sound?

a)

a piano

b)

thunder

c)

clapping

d)

a cotton ball

56.

Vertebrate animals have an ______________

a)

Internal skeleton

b)

Exoskeleton

c)

Soft body

d)

Long legs

57.

Mammals, fish, reptiles, amphibians and birds are ________________

a)

Invertebrates

b)

viviparous

c)

oviparous

d)

vertebrate animals.

58.

Which one is a mammal?

a)
b)
c)
59.

Which one is a bird?

a)
b)
c)
60.

Reptiles are....

a)

vertebrates

b)

invertebrates

c)

arthropods

61.

Which one is an amphibian?

a)
b)
c)
62.

Which one is a reptile?

a)
b)
c)
63.

Birds have

a)

fur

b)

scales

c)

feathers

d)

moist skin

64.

Fish have

a)

feathers

b)

scales

c)

fur

65.

Vertebrates do not have a backbone.

a)

True

b)

False

66.

Mammals, birds and reptiles breathe with lungs.

a)

True

b)

False

67.

I have fur, I breathe with lungs, and I am warm blooded. What am I?

a)

Mammal

b)

Amphibian

c)

Bird

d)

Reptile

68.
They have gills
a)
Mammals
b)
Reptiles
c)
Birds
d)
Fish
69.

I LAY EGGS. I breathe with my LUNGS. My body is dry and covered with SCALES. What am I?

a)

amphibian

b)

bird

c)

reptile

d)

mammal

70.

My body is covered with FEATHERS. I LAY EGGS and hatch my young. What am I?

a)

amphibian

b)

bird

c)

reptile

d)

mammal

71.

Which is NOT a characteristic of a fish.

a)

gills

b)

fins

c)

lungs

d)

scales

72.

Vertebrates have a backbone and invertebrates do not.

a)

true

b)

false

73.

What type of animals don't lay eggs?

a)

reptiles

b)

amphibians

c)

Fish

d)

mammals

74.

What is an examples of a mammal?

a)

newt

b)

dolphin

c)

Iguana

d)

bass

75.

Look at this picture, which animal has a vertebrate?

a)

The bird

b)

The butterfly

76.
This is your educated guess of what you think will happen in the experiment.  It is always written in "If... Then...." form.
a)
Hypothesis
b)
Conclusion
c)
Problem
d)
Data and Analysis
77.
During experiments, scientists write down what they see which is called...
a)
Hypothesis
b)
Observations
c)
Materials
d)
Procedure
78.
Which instrument is used to measure temperature?
a)
Balance Scale
b)
Graduated Cylinder
c)
Beaker
d)
Thermometer
79.
Decide if the question listed is a "good" science question or a "poor" science question.

Do plants need sunlight to grow?
a)
Good science question.
b)
Poor science question.
80.
Safety is
a)
Not necessary
b)
sometimes important
c)
preventing injury, hurt or loss
81.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)
smell
d)
all of the above
82.
Keeping your work area neat and clean is important because:
a)
My teacher is a neat-freak
b)
I won't lose my supplies in the clutter.
c)
It keeps the room from looking messy.
d)
It helps prevent accidents.
83.
You should report accidents to the teacher __.
a)
after the class is over
b)
immediately 
c)
the following day
d)
never
84.

After you clean up what's a good idea to do before you leave the lab?

a)

Touch your hair

b)

Talk to friend

c)

Wash your hands

85.

The first step of the scientific method is?

a)

perform an experiment

b)

share what you’ve learned, communicate your results

c)

think of a question, state the problem

86.

Why do scientists sometimes repeat experiments?

a)

to see if they get the same results

b)

because they forgot how they did them

c)

for fun

87.

What is a carnivore?

a)

an animal that eats plants

b)

an animal that eats plants and animals

c)

an animal that only eats other animals

88.

What is an herbivore?

a)

a plant that produces its own food

b)

an animal that eats plants and animals

c)

an animal that eats only plants

89.
Plants use air and water to make their own food. What else do plants need to make food?
a)
honeybees
b)
sunlight
c)
pollen
d)
soil
90.
Julia is heating some water in a pot on the stove. Bubbles rise to the top of the water. What is happening to the water?
a)
It is boiling.
b)
It is melting.
c)
It is freezing.
d)
It is condensing.
91.

Which list describes the basic needs of all plants?

a)

air, worms, rocks

b)

air, water, sunlight

c)

sunlight, water, rocks

d)

sunlight, worms, water

92.

flowers --> moth --> bat --> snake --> fox

A food chain is show above. How does the bat gets its food?

a)

by eating foxes

b)

by eating moths

c)

by eating snakes

d)

by eating flowers

93.

Which of these is a non-living thing?

a)

a fish

b)

rocks

c)

dragonfly

d)

plants

94.

Which of these were made by humans?

a)

cave

b)

river

c)

tunnel

d)

waterfall

95.

A student is measuring a rock sample in science class.

What is the length of this sample?

a)

25 mm

b)

30 mm

c)

35 mm

d)

40 mm

96.

Apple juice has which of these properties?

a)

It is rough.

b)

It mixes with oil.

c)

It is a liquid.

d)

It is hard to the touch.

97.

Which diagram shows how Earth rotates each day?

a)
b)
98.

The Sun is a -

a)

planet

b)

giant star

c)

natural satellite

d)

an asteroid

99.

The image shows the Earth-

a)

Revolving around the Sun.

b)

Rotating around the Sun.

100.
How many days are in one year?
a)
180 days
b)
360 days
c)
365 days

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