WorksheetsUnit 3 and 4
Total questions: 25
Worksheet time: 13mins
Which object uses only one material?
motorcycle
shoes
metal chair
TV
Which object uses more than one material?
shoes
towel
blanket
paper
What can you make with pieces of bricks from a destroyed house?
walkway
metal chair
bicycle
another house
When an egg is heated, what will happen to the egg?
It will become solid.
It will not change.
Only the yellow part will become solid.
Only the white part will become solid.
When sugar cubes is heated, what will happen?
The state won't change.
The state changes from liquid into solid.
The state changes from solid into liquid.
It will remain as sugar cube.
This state has fixed shape.
sea water
solid
liquid
water
When water is cooled, what will happen.
The state change from solid to liquid.
The state change from liquid to solid.
Nothing will change.
It will remain as water.
What is an example of liquid?
sea water
salt
sugar
What is an example of solid?
ice cream
oil
juice
melted metal
What will happen to the chocolate if you will
take it out from the fridge?
It will not change change anything.
It will melt easily.
It will become water.
It will be hardened.
True or False: When butter is heated it will NOT melt.
False
True
True or False: When some materials are cooled there are changes too.
False
True
The following land animals give birth to live young except _______.
elephants
monkeys
dogs
platypus
The following animals give birth to live young except.
guppies
dolphins
mollies
shark
Which order of the life cycle of a chicken is correct?
adult chicken – chicks - eggs
chicks – adult chicken - eggs
adult chicken – eggs - chicks
all of the above
Complete the life cycle of a frog
adult frog – eggs – _____ - froglets
tadpoles
poles
tads
tappoles
What stage of a butterfly life cycle which the larva is not eating anything?
eggs
caterpillar
larva
chrysalis
All of the following animals lay eggs except.
penguins
snakes
dolphins
chickens
A _____ is a young mosquito that still lives in the water.
eggs
larva
pupa
adult mosquito
The following animals change their shape or colour as they grow except.
frogs
butterfly
mosquito
cockroach
Which of the following animals that have already gone extinct?
chicken
lion
panda
chimpanzee
Which is correct about the reason why some species have NOT gone extinct?
Those animals are big and strong.
Those animals can adapt to a changing environment.
Those animals transfer traits to their babies.
Those animals are not needed today.
Why do animals adapt to their environment?
They become extinct.
They can grow fast.
They can survive.
Other living things can notice.
Which is NOT a natural disaster that may cause the extinction of animals?
Wildfire
Rain
Earthquake
Volcanic eruption
_________ is a young mosquito that still lives in the water.
Mosquito larva
Chrysalis
worms
eggs
