Air is the invisible gas around us that we breathe to stay alive. It has oxygen, nitrogen, and other gases. Rocks are hard natural materials found on Earth. Minerals are substances found inside rocks that have specific properties. Rocks and minerals are used to make buildings, tools, and jewellery. Learning about air, rocks, and minerals helps us understand the natural resources of Earth. Air & Minerals Quiz for Grade 2 tests your knowledge regarding the value and protection of these resources. Try these 10 questions to see how well you understand air, rocks, and minerals.
Choose the correct option and complete the following sentences: 1. Rocks that are formed when magma cools are called __________. 2. Metamorphic rocks form when existing rocks undergo __________.
Answer: (a) 1. igneous rocks 2. heat and pressure
Kitty's kitchen countertop is made up of a hard rock because it is strong and lasts a long time. Identify this hard rock.
Answer: (b) Granite
Unscramble the letters given below to find the name of the hard rock that is polished and used for flooring in houses because it gives a smooth and shiny finish.
Answer: (d) BEALRM
Amanda is trying to classify rocks based on their similarities. Help her by placing the rock shown in the picture in the appropriate group.
Answer: (b) Shale, Gypsum
Every time Hannah rides her bike through a heavily polluted area, she notices her eyes starts to water and she feels tired. What could be causing this?
Answer: (d) Polluted air entering Hannah's eyes and lungs
Gregory is playing with a paper boat in the water. He gently blows on the boat, and it starts to move across the water. Which property of air is Gregory using?
Answer: (a) Air can move things.
Which of the following statements is true about the property - air takes up space? A) Air does not take up space because it is invisible. B) Air takes up space, which is why a balloon expands when you blow into it. C) Air only takes up space when it is heated. D) Air takes up no space in an empty container. E) Air only takes up space when it is cooled.
Answer: (c) Only B
Match column I with column II and select the correct option: Column I Column II 1 Breathing a Air makes the kites and aeroplanes fly. 2 Flying a kite b Air helps us in cooking and burning things 3 Drying clothes c Air gives life to humans, animals and plants 4 Burning a candle d Air moves away moisture and helps in drying 5 Sailing a boat e Air pushes the sails and moves the boat
Answer: (a) 1 - c, 2 - a, 3 - d, 4 - b, 5 - e
Which of the following activities is most likely to cause air pollution and make the air dirty?
Answer: (d) Burning garbage in the open.
Derek left a cold drink on the table, and after a while, tiny drops appeared on the outside of the glass. His sister explains it is because of a component of air. What is it?
Answer: (c) Nitrogen
| Topic | Quiz |
|---|---|
| Ar, Rocks and Minerals | Quiz on Air, Rocks and Minerals |
| Exploring Animal Life | Quiz on Exploring Animal Life |
| Textile and Clothing | Quiz on Textile and Clothing |
| Means of Communication | Quiz on Means of Communication |
| Nutrients and Healthy Eating | Quiz on Nutrients and Healthy Eating |
| Exploring Human Shelter | Quiz on Exploring Human Shelter |
| Understanding Organ Systems and Health | Quiz on Understanding Organ Systems and Health |
| The World of Plants | Quiz on The World of Plants |
| Transportation | Quiz on Transportation |