Vidaara.orgClass 6 · Mathematics
CodeVID-M6-WS
Nature's Treasures — Practice Worksheet
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Choose the correct option (A, B, C or D) for each question.
- The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each)
15 × 1 = 15 marks
1.
Useful materials obtained from nature are called:
- A.Natural resources
- B.Machines
- C.Stimuli
- D.Mixtures
2.
Which gas in the air do we need for breathing?
- A.Carbon dioxide
- B.Oxygen
- C.Nitrogen
- D.Smoke
3.
The loose top layer of the Earth in which plants grow is:
- A.Soil
- B.Rock
- C.Mineral
- D.Coal
4.
Useful substances dug out from rocks, like iron and copper, are:
- A.Minerals
- B.Gases
- C.Soils
- D.Stimuli
5.
Resources that do not run out or are quickly replaced are:
- A.Non-renewable
- B.Renewable
- C.Fossil fuels
- D.Minerals
6.
Which of these is a renewable resource?
- A.Coal
- B.Petroleum
- C.Sunlight
- D.Natural gas
7.
Coal, petroleum and natural gas are together called:
- A.Renewable resources
- B.Fossil fuels
- C.Minerals only
- D.Soils
8.
Fossil fuels are non-renewable because they:
- A.Are made fresh each day
- B.Took millions of years to form and will run out
- C.Never get used
- D.Grow back quickly
9.
Using resources wisely so enough is left for the future is called:
- A.Sustainability
- B.Pollution
- C.Filtration
- D.Reproduction
10.
The three R's of resource care are:
- A.Run, Rest, Repeat
- B.Reduce, Reuse, Recycle
- C.Read, Recall, Revise
- D.Reach, Rise, Return
11.
Switching off lights and fans when not in use is an example of:
- A.Reduce
- B.Recycle
- C.Pollute
- D.Waste
12.
Sending used materials to be made into new products is:
- A.Reusing
- B.Recycling
- C.Reducing
- D.Refusing
13.
Which is the cleaner, renewable source of energy?
- A.Burning coal
- B.Solar (Sun) energy
- C.Burning petrol
- D.Burning wood only
14.
Planting trees (afforestation) helps by:
- A.Removing all soil
- B.Protecting soil, giving oxygen and supporting wildlife
- C.Using up water forever
- D.Polluting the air
15.
Most of the Earth's water is:
- A.Fresh and drinkable
- B.Salty sea water
- C.Frozen petrol
- D.Inside rocks as minerals
Section B — Challenge / Olympiad (2 marks each)
6 × 2 = 12 marks
16.
A forest is usually called a renewable resource, but it can become non-renewable if it is:
- A.Cut down faster than new trees can grow
- B.Watered every day
- C.Left undisturbed
- D.Protected from fire
17.
Why does using solar and wind power help reduce air pollution?
- A.They make electricity without burning fuels
- B.They use more coal
- C.They produce more smoke
- D.They need petrol
18.
A family carries cloth bags, uses both sides of paper and refills bottles. They are mainly practising:
- A.Reuse
- B.Pollution
- C.Mining
- D.Winnowing
19.
Only a small part of Earth's water can be used by us because most of it is:
- A.Salty or frozen
- B.In bottles
- C.Made of minerals
- D.In the air as oxygen
20.
Soil is treated as a precious resource partly because it:
- A.Takes a very long time to form
- B.Can be made in a factory quickly
- C.Is useless to plants
- D.Is a fossil fuel
21.
The best overall reason to follow the three R's is to:
- A.Make resources last longer and reduce waste and pollution
- B.Use resources faster
- C.Create more garbage
- D.Cut down more forests
Answer Key
Section A — Multiple Choice (1 mark each)
- (A) Natural resources
- (B) Oxygen
- (A) Soil
- (A) Minerals
- (B) Renewable
- (C) Sunlight
- (B) Fossil fuels
- (B) Took millions of years to form and will run out
- (A) Sustainability
- (B) Reduce, Reuse, Recycle
- (A) Reduce
- (B) Recycling
- (B) Solar (Sun) energy
- (B) Protecting soil, giving oxygen and supporting wildlife
- (B) Salty sea water
Section B — Challenge / Olympiad (2 marks each)
- (A) Cut down faster than new trees can grow
- (A) They make electricity without burning fuels
- (A) Reuse
- (A) Salty or frozen
- (A) Takes a very long time to form
- (A) Make resources last longer and reduce waste and pollution
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