WorksheetsSCIENCE 4 REVISION
Total questions: 50
Worksheet time: 39mins
Liquid rock is found below ground in the ...
(a)
When the volcano erupts, lava flows out of the ............... and out of the ............
crater
secondary cone
magma chamber
main vent
Liquid rock is found below ground in the ...
(a)
Volcanoes are found at breaks in the Earth's crust.
What word describe the sudden movement of the Earth's crust?
earthquake
storm
drought
flood
Property: Liquid take the shape of the container they are in.
Choose the best explanation (câu giải thích):
particles move around in all directions
particles only move by vibrating
particles are closed together
particles are far apart
particles move quickly
Property: Liquids and solids cannot be squashed.
Choose the best explanation (câu giải thích):
particles move around in all directions
particles only move by vibrating
particles are closed together
particles are far apart
particles move quickly
Property: Solids have fixed shape (Chất rắn có hình dạng cố định)
Choose the best explanation (câu giải thích):
particles move around in all directions
particles only move by vibrating
particles are closed together
particles are far apart
particles move quickly
Some solids behave like liquids (Một số chất rắn có trạng thái giống chất lỏng)
Which solid flows like a liquid?
iron magnet
plastic spoon
grains of sugar
wooden ruler
This is a electrical circuit.
Why does the lamp not bright?
The switch is open or off
The switch is closed or on
Choose one way that makes the light bulb brighter.
Add another cell or battery
Remove the battery
The lamp is a light source.
We see the object because light (a) off the surface of the object into our eyes.
Choose the ways Yuri make his investigation a fair test
use ice cubes of the same size
use same number of ice cubes each time
use different methods
time taken to melt ice cubes
The fastest way to melt an ice cube is to ....
add salt
add water
Water turns to ice when it freezes.
Which word best describes "freezing"?
chemical
reaction
solidification
substance
Which bird in the key has a bent beak?
(a)
Choose one way the great egret is different to the snowy egret
Great egret has legs longer than its body
Snowy egret has legs longer than its body
Which bird in the key has a bent beak?
(a)
How does this bird feed itself?
uses its beak to pick up seeds from the ground
uses its beak to pull insects from the mud
uses its beak to scoop up large fish into its mouth
uses its beak to pull plants from the water
Which type of energy is transferred from a loud speaker to your ears?
(a)
Which type of energy is transferred when an object cools down?
(a)
Energy cannot be ............, lost, used up
or .................
made, destroyed
A - core
B - mantle
C - crust
A - mantle
B - core
C - crust
A - crust
B - mantle
C - core
Suggest one way the model does not represent the structure of the Earth.
(Đưa ra lời giải thích: Tại sao mô hình này không thể hiện cấu trúc của Trái Đất?)
There is no ocean or land
No volcanoes or earthquakes
not beautiful
Our Solar System contains planets and a star.
Write down one other object found in our Solar System.
(Mark all correct answers)
comets
asteroids
planets
stars
the Moon
The Earth is one planet in our Solar System.
Write down the names of two other planets in our Solar System.
Write down the name of the star found at the centre of our Solar System.
(a)
Which of these animals belong to vertebrate group?
lizard, rhino, fox
butterfly, worm, ladybird
Which of these animals belong to invertebrate group?
lizard, rhino, fox
butterfly, worm, ladybird
Some animals have a skeleton on the outside of their body.
Write down the name of this type of skeleton.
(a)
One function of the skeleton is to help animals move.
Tick all other functions of the skeleton.
to give shape to the body
to protect organs
to allow movement
to help communicate
What objects are electrical insulators?
B, E
A, C, D
b) Oliver places a copper coin in the circuit.
Predict what will happen to the lamp.
The lamp will (a)
Oliver places a copper coin in the circuit.
Predict what will happen to the lamp.
The lamp will light because (a)
Write down one way Blessy stays safe when she adds the white powder to the vinegar.
Wear goggles
wear gloves
wear socks
When the white powder reacts with the vinegar, carbon dioxide is made.
Explain why this is an example of a chemical reaction.
(Tick all correct answers)
a new substance (carbon dioxide) is made
gas is made / gas is formed
carbon dioxide is a liquid
vinegar is a gas
Light travels in (a) lines.
When light reaches the mirror, the light changes direction because it is (a)
When ice cubes are left in a warm room the ice changes from a ............
state to a .............state called water.
(state: trạng thái)
solid - liquid
liquid - solid
Describe how to change liquid water back into ice.
freeze the ice
put it in the fridge
put it in the freezer
make it cold
heat the water
Water is a substance made from very small p (a) s
Camels have large feet to stop them sinking into the sand.
(sinking into the sand: lún xuống cát)
Arctic
desert
forest
cave
sea/ ocean
Polar bears have thick fur to keep warm.
(thick: dày)
Arctic
desert
forest
cave
sea/ ocean
Sharks have fins to help them swim.
Arctic
desert
forest
cave
sea/ ocean
Vaccination is used to prevent people getting measles.
(measles: bệnh sởi)
True
False
‘After 2016 (a) (fewer / more) people in the country
were vaccinated to prevent them getting measles.’
‘After 2016 the number of infection .... (increases / decreases)
(Sau năm 2016, số ca nhiễm bệnh .... (tăng lên/ giảm xuống)
(a)
Why are safety caps important on a bottle of medicine?
(Tại sao nắp an toàn lại quan trọng trên lọ thuốc?)
stop children opening the bottle
stop adults opening the bottle
Which one type of energy do all four objects transfer electrical energy into?
(a)
Which object transfers electrical energy into movement energy?
(a)
Write down the name of one object not in the pictures that transfers electrical energy to sound energy
(a)
