Olympiad class 4 SST: Earth and Environment
1 / 25
What is the layer of gases that surrounds the Earth?
2 / 25
What is the process of changing liquid water into ice?
3 / 25
What is the process of water turning into vapour and rising into the air called?
4 / 25
What is the Layer of the Earth's atmosphere where satellites orbit?
5 / 25
Which of the following is a natural resource use for producing electricity by harnesing its flow?
6 / 25
Which of the following is a biodegradable waste?
7 / 25
Which of the following is a natural resource that comes from the ocean?
8 / 25
What is the Earth's largest ocean?
9 / 25
Which natural resource comes from trees?
10 / 25
What is the main source of energy for all living things on Earth?
11 / 25
Which of the following is a renewable resource derived from plants and sunlight?
12 / 25
Which of the following is a renewable resource derived from the movement of air?
13 / 25
What is the outer layer of the Earth called?
14 / 25
What is the Earth's primary source of freshwater?
15 / 25
Which of the following is a man-made environmental problem?
16 / 25
What is the process of breaking down waste materials into reusable or less harmful substances called?
17 / 25
What is the layer of the Earth's atmosphere where the international space station (ISS) orbits?
18 / 25
Which of the following is a renewable resource?
19 / 25
Which of the following is a method of conserve water?
20 / 25
What is the Earth's largest continent?
21 / 25
Which of the following is a greenhouse gas?
22 / 25
What is the process of soil being carried away by wind or water?
23 / 25
What is the process of water droplets forming on a cold surface called?
24 / 25
Which natural resource comes from beneath the Earth's surface and is used to make jewellery?
25 / 25
The earth is at maximum distance from the sun on_____.
Your score is
