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WorksheetsGrade 4 science revision
Total questions: 20
Worksheet time: 20mins
Anita investigates how quickly water evaporates. She does her experiment 3 times. What variable is she CHANGING?
The volume (amount) of water.
The temperature of the water.
The size of the beakers.
The time she leaves the beakers for.
To find out which soil holds the most water, which variable is most important to keep the same?
The volume (amount) of water added.
The volume (amount) of water drained.
The shape of the beaker.
The size of the beaker.
It is best for a bike frame to be light and strong. Which metal would be best for a bike frame?
Aluminium-strong (3g)
Iron - strong (8g)
copper - weak (9g)
zinc - strong (7g)
A boy observes a hard, shiny and hard to break object. What is this object made from?
Paper
metal
Plastic
glass
What happens to your heart rate when you exercise?
When people exercise their heart rates increase.
Their temperature decreases (gets lower)
Their muscles get longer.
Their bodies get stronger.
Which of these cannot be separated by a sieve?
pasta and water
meatballs and sauce
juice and fruit
oil and vinegar
What happens to the lamp when you open the switch?
It lights up
It turns off
It becomes dim (less bright)
It becomes hot
Which mixture can be separated by filtering?
sand and water
salt and sugar
oil and vinegar
flour and rice
Which equipment would you use to measure the volume of rain collected in a jug?
measuring cylinder
scale
thermometer
ruler
What role do honeybees play in the life cycle of some flowering plants?
Honeybees help spread some plant seeds.
Honeybees help plants reproduce.
Honeybees help to make plants’ food.
Honeybees help to protect the plant.
Asma wants to cover a cake with chocolate. What must she do to the chocolate bar before she can pour it over the cake?
Dissolve it in water
melt it
filter it
evaporate it
Polar bears usually stand on floating ice when they hunt. How would warmer temperatures affect polar bears?
There would be more ice so hunting would be easier.
There would be less ice so hunting would be easier.
There would be more ice so hunting would be harder.
There would be less ice so hunting would be harder.
Birds lay eggs. What do all birds’ eggs need from their surroundings to hatch?
food
warmth
nest
tree
Which of the following completes the sentence? Most mammals…
Give birth to live young.
Have feathers.
Have moist skin
Lay eggs
Which orbit takes one year?
The Earth orbiting the Moon.
The Earth orbiting the Sun.
The Sun orbiting the Earth.
The Moon orbiting the Earth.
The moon orbits the Earth about once every?
year
week
day
month
Which statement best explains why the Sun appears in the horizon every morning?
The Earth completes one rotation on its axis each day.
The Sun moves around the Earth once each day.
The Earth makes a complete orbit around the Sun each day.
The moon stops blocking the light from the Sun each day.
Which material is most likely to be the first to feel hot?
plastic
glass
metal
wood
Which stage comes after the larva stage?
egg
caterpillar
pupa
adult
Which of these actions is an observation?
Gathering equipment for a plant investigation.
Measuring how much a plant grows each day for a week.
Predicting how much a plant will grow in one week.
Explaining why a plant grew differently under certain conditions.
