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WorksheetsPrimary 3 Science Revision 2nd Semester
Total questions: 101
Worksheet time: 51mins
9. During the rainy season the air will feel ….
a. Hot
b. Warm
c. Cold
d. Uncertain
11. When the weather is hot, it's better to wear clothes that….
a. Thin and heavy
b. Thin and absorbs sweat
c. Thick and hairy
d. Thick and smooth
14. Clothing that is suitable for wearing in the rainy season is ….
a. Thick clothes
b. Heavy clothes
c. Thin clothing
d. Expensive clothes
Why are weather forecasts important?
To know what's going to happen
So that people can plan the future
So that people can plan their lives
To understand what's going to happen
Information to produce weather forecasts doesn't come from...
Ships and aircrafts
Weather balloons and stations
Weather satellites
The news
Who is this?
a green screen
a meteorologist
a teacher
a journalist
We use a thermometer to measure ___________________.
weather
precipitation
wind speeds
temperature
How is temperature measured?
degrees
miles per hour
percent
feet
What clothing would you need to wear if the temperature is 25 degrees?
shorts, sandals and boots
rain boots, a rain coat and an umbrella
a jacket, scarf, boots and gloves
a long sleeve shirt and jeans
The condition of the air around us over a short period of time is called _____
weather
climate
seasons
temperature
What is the function of temperature?
It's the amount of rain that falls for a fixed period of time.
It tell us how hot or cold the air around us.
It tells us how much the sky is covered by clouds.
It tells us how fast the wind is blowing.
The condition of the air around us over a short period of time is called _____
weather
climate
seasons
temperature
What is the function of temperature?
It's the amount of rain that falls for a fixed period of time.
It tell us how hot or cold the air around us.
It tells us how much the sky is covered by clouds.
It tells us how fast the wind is blowing.
The temperature will ______ on sunny day and _____ on rainy day.
warmer, colder
colder, warmer
warmer, freezing
colder, melting
What sort of objects are involved in creating weather?
temperature, rainfall, cloud cover, wind speed and wind direction
temperature, rainfall, climate change, wind speed and wind direction
temperature, rainfall, cloud direction, wind
temperature, season, cloud cover, climates
On a cloudy day, we can is the blue sky clearly.
True
False
What is climate?
The weather conditions in an area over a long period of time.
The condition of air around us over a short period
The change in temperature, rainfall, cloud, and other factors which affected the climate in a place
A period of a year that comes with certain weather conditions
What is seasons?
The weather conditions in an area over a long period of time.
The condition of air around us over a short period
The change in temperature, rainfall, cloud, and other factors which affected the climate in a place
A period of a year that comes with certain weather conditions
There are (a) types of climate.
Place like desert have a ______ and _______ climate
hot
dry
cold
tropics
They get very little sunlight and there's a lot of snow. What types of climate was in that place?
cold
hot
tropics
dry
What types of climate receive sunlight and rainfall throughout the year? It has hot and wet conditions.
cold
hot
dry
tropics
How many seasons we have in Indonesia?
(a)
Some countries are near the equator and surrounded by the sea. These countries usually only have two seasons
True
False
Countries that are far from the equator have (a) seasons.
Choose the right season.
The temperature gradually decreases and the weather becomes colder. Green leaves turn golden yellow and fall from the trees.
Winter
Autumn
Spring
Summer
Choose the right season.
It's very cold and there is very little sunlight. Plants lose their leaves and stop growing. The days are shorter and the nights become longer.
Winter
Autumn
Spring
Summer
Choose the right season.
The weather becomes warmer because there is more sunlight. Seeds start to grow and many plants start to flower.
Winter
Autumn
Spring
Summer
Choose the right season.
The warmest season. The sun is high in the sky and the days are longer. There is more sunlight than spring.
Winter
Autumn
Spring
Summer
The seasons change because the Sun moves around the Earth.
True
False
Factories and vehicles release a lot of __________ _________ into the atmosphere from the burning of fossil fuels that can cause climate change.
(a)
a large scale of cutting down the trees in the forest is called ______
deforestation
waste
cultivation
forest burning
Farm animals release a lot of __________ after eating animal feed.
carbon dioxide
methane gas
oxygen
metanoia gas
What is global warming?
Global warming is when the temperature of the earth is slowly increasing.
Global warming is when the temperature of the earth is slowly decreasing.
Global warming is a large scale of cutting down trees in the forest.
Global warming is the change in temperature, rainfall, winds, and other factors which affected the climate in a place.
It is made from trees.
Paper
Plastic
Metal
It is made from both natural and man-made materials.
Metal
Paper
Cloth
It is used to make things like tools and furniture.
Plastic
Wood
Paper
A man- made material that comes from chemicals.
Plastic
Wood
Paper
What is this window made out of?
Glass
Metal
What is the name of this material?
Plastic
Wood
What is this spoon made out of?
Rubber
Metal
What material is this bottle made out of?
Wool
Plastic
Is clay a natural or an artificial material?
Natural material
Artificial material
Is glass a natural or an artificial material?
Natural material
Artificial material
Natural materials come from...
Nature
A factory
Artificial materials are made by...
Animals
Humans
What material is this eraser made out of?
Rubber
Cotton
What material is this sweater made out of?
Glass
Wool
Which of these materials is used to make rain boots?
Paper
Fabric
Plastic
In this statement below, which one is not the function of forces is .....
to start and stop things moving
to make things get faster
to see what happen in the future
to slow down or change direction
This picture below shows that the force can
start and stop things moving
change shape of the things
to see what happen in the future
to slow down or change direction
A baker uses a ..... when making bread or dough.
force
elastic
head
pencil
This girl is using a ...... forces to pull on the empty sledge
small
large
much
big
Every day you push and pull many things. Push and pull are examples of a ......
force
electricity
magnet
object
The things below that you can push, except.....
A piece of equipment that measures the size of a force is
Voltmeters
Forcemeter
Amperemeter
Soundmeter
The unit of force is ....
Newton
Watt
Ohm
Decibel
A ball is lying on the floor. When will the ball move?
when a loud noise is made
it'll never move
when a baby is crying
when a force acts on it
The volcano explodes is one example of ...... force
large
short
low
small
When you rub together your hands, you will feel warm, because
the friction acts between them
it's nothing
the force doesn't work
the fire comes up
You need to be careful when you walk in ice surface, or you'll fall down. It is because the smooth surface will give ....... friction.
big
little
much
large
The fire comes up from the wood, because there is ........... between wood and stick.
electricity
smooth
friction
wind
Which is object needs the largest force to make it move?
Car
Book
A box of paper
Brick
Which the activity need the smallest force to do?
A horse pulling a cart
A train pulling wagons
A volcano explodes
A bird picking up a leaf
We can ....... the ball to make it moves.
pull
smash
push
sit
The statement below about forces can change the shape of things is......
each team pulls a tug of war
A carpenter carves the wood
A player kicks the ball
A girl opens the door
Which surface creates the biggest friction with a skateboard?
This street in the picture has ........ friction
large
small
low
little
The wind creates a forces on the sail to make the boat ...... through the sea.
move and change direction
stay
protect
live
What would be a good way to slow down on a bicycle?
Drag your feet along the ground.
Pedal faster.
Ask someone to give you a push.
What would be a good way to slow down on a bicycle?
Drag your feet along the ground.
Pedal faster.
Ask someone to give you a push.
What would be a good way to speed up on a slide?
Hold onto the sides.
Put your feet down.
Wear slippery clothes.
Which of these things could you change the shape of by pushing?
A sandcastle
A metal toy car
A glass cup
Pushes and pulls are examples of...
Forces
Stretches
Twists
When you push a toy car, it eventually stops. This is due to something called...
Friction
Gravity
Twisting
With the same push, would a heavy car travel further or less far than a light car?
Further
Less far
They would both travel the same distance.
On which track would a sled move the fastest?
Moving on a flat track
Moving down a gently sloping track
Moving down a steeply sloping track
What else might affect the speed of a sled on a track?
The color of the track
The surface of the track
The name of the track
What is the best description of what forces do?
They stop things moving.
They start things moving.
They make things speed up, slow down, or change direction or shape.
What is the force called that makes things fall when we drop them?
Friction
Gravity
Stretching
the ........................ is the ability to do work
force
gravity
energy
electric lamps produce ....................... energy
kinetic
light
sound
the heater produces ....................... energy
sound
heat
electric
the spring of a toy car stores ....................... energy
potential
sound
kinetic
the ............................ produces due to vibration of objects.
light
sound
electricity
this insturment changes
electric into kinetic
light into electric
electric into light
in this machine energy changes from
kinetic into electric
electric into kinetic
sound into light
in the piano , the kinetic energy changes into ..................... energy
light
potential
sound
dynamo changes kinetic energy ...................... energy
electric
light
chemical
the solar cells change .........................
electric into kinetic
solar energy into electric
heat energy into kinetic
When fuel burns, it gives us____ and ____ energy.
Electrical
Heat
Light
Sound
Early men wore clothes made from natural materials. Which materials below that early men used for making clothes?
animals skin or fur
rock and soil
silk and wool
What materials are suitable to make clothes?
Shell
Cotton
bone
Which clothes below is suitable for cold weather?
Wool is one of materials that we used for make clothes. We can get wool from...
buffalo
goat
sheep
The benefit of technology in the production of clothing is...
mass production of clothes
make clothes expensive
making clothes hard to find
The animal used to send messages in ancient times is...
The first form of electrical communication is...
Radio
Telegraph
Telephone
The first inventor of the telephone was...
Alexander Graham Bell
Samuel F.B Morse
Thomas Alva Edison
The modern modes of communication is...
Telegraphs
Postal sevice
The benefit of technology in communication is...
Communication is easier and faster
Communication became very slow
Messages canot be sent over long distances
