Class 5 Rocks and Minerals Worksheet 2

Class 5 Rocks and Minerals Worksheet 2

 

Section A – Fill in the blanks

1. Rocks are mainly of __________ types.
2. Igneous rocks are formed by __________ and hardening of lava.
3. Slate is formed from __________ rock.
4. __________ is the most commonly used metamorphic rock.
5. Rocks are made up of __________.
6. __________ is a non-metallic mineral used for making glass.
7. Petroleum is also known as __________ oil.
8. Gold, silver and platinum are __________ metals.
9. Fossils are the remains of dead __________ and __________.
10. The three R’s of waste management are Reduce, Reuse and __________.

 

Section B – Match the following

1. Marble – (a) Non-metallic mineral
2. Gneiss – (b) Formed from granite
3. Quartzite – (c) Found in layers
4. Limestone – (d) Made from sandstone
5. Petroleum – (e) Liquid mineral
6. Coal – (f) Used for statues and buildings
7. Gold – (g) Precious metal
8. Mica – (h) Glitters in Gneiss
9. Fossils – (i) Remains of dead organisms
10. Sandstone – (j) Red Fort is made of this

 

Section C – Very Short Answer Questions 

1. What are metallic minerals?
2. Name any two non-metallic minerals.
3. What is crude oil?
4. Which rock is used for making blackboards?
5. What are ores?
6. Name two precious stones.
7. Which fossil fuel is used mainly to generate electricity in India?
8. What is LPG made from?
9. Why should we conserve natural resources?
10. What is the full form of RRR in waste management?

 

Section D – Short Answer Questions 

1. Explain how coal is formed.
2. What are metamorphic rocks? Give two examples.
3. Differentiate between metallic and non-metallic minerals with examples.
4. Write any two ways to save petroleum.
5. How are fossils useful to us?

 

Section E – Answer in Brief 

1. Explain the process of petroleum formation and its uses.
2. Write a short note on “Conservation of Natural Resources”.

 

Class 5 Rocks and Minerals Worksheet 2 Answer Key

Section A:

1. three
2. cooling
3. shale
4. marble
5. minerals
6. quartz
7. crude
8. precious
9. plants, animals
10. Recycle

Section B:
1-f, 2-b, 3-d, 4-c, 5-e, 6-c, 7-g, 8-h, 9-i, 10-j

Section C:

1. Minerals from which metals can be extracted.
2. Coal, petroleum.
3. Unrefined petroleum.
5. Rocks containing minerals.
6. Diamond, emerald.
9. Because they are limited and will finish one day.
10. Reduce, Reuse, Recycle.

Section D:

1. Coal is formed from dead plants buried under mud and sand millions of years ago. Heat and pressure turned them into hard rock.
2. Rocks formed by heat and pressure; e.g. Marble, Slate.
3. Metallic minerals give metals like gold, iron; non-metallic do not, like coal, mica.
4. Use public transport, maintain vehicles.
5. They tell us about ancient plants and animals.

Section E:

1. Petroleum is formed from dead sea plants and animals buried millions of years ago. Heat and pressure changed them into oil. It is used for fuel, making lubricants, fertilizers, and cooking gas.
2. Natural resources are limited. We should reduce waste, use alternatives like solar energy, plant trees, and use resources carefully so they last longer.