Grade 3 preparation for NSO olympiad
A look at the grade 2 lessons :
Grade 2 science (NSO) : Animals
Herbivores : Animals like cows , buffaloes , sheep etc., that eat plants.
Carnivores : Animals like lions, tigers, etc., that prey on and eat other animals.
Omnivores : Animals like bears, crows etc., that eat both plants and animals.
Scavengers : Animals like vultures and jackals that eat dead and left over animals generally preyed on by carnivores.
Before starting lets take a look at the Grade 1 lessons
Activities: Worksheets on Air and Water
Living things need air to breathe
Moving air is called Wind
A gentle wind is called Breeze
A strong fast wind is called a Storm
A very strong wind is called Gale
A weather cock or wind vane is used to know the direction of the wind. At airports we use wind sock to know the direction of the wind. When aeroplanes fly in the direction of the wind , it saves fuel.
Wind makes windmill work. They are used to generate wind energy which is used to grind grains, pump water and make electricity.
Helps in sailing boats
A parachute falls slowly because of the wind
Before starting lets take a look at the Grade 2 lessons
Plants : Uses of different plants
Responsible for reproduction
Colour and fragarence of flowers attract insects who act as pollinators.
Absorbs sunlight
Help in exchange of gases
Carries out photosynthesis
Apex : Tip of leaf
Base : Attaches to petiole ; if petiole is absent attaches directly to stem
Margin : Edge of leaf
Stems are the aboveground structures that bear the plant’s leaves and flowers. The stem provides a host of services to the plant:
Root is the underground part of the plants body. It fixes the plant within the soil and absorbs water and mineral nutrients from the soil. It also stores excess food.
Lets brush up on the basics first. The class 1 lessons will give a nice overview of our body.
Human beings: Parts of the body
Human Beings : Clothes we wear
Human Beings and their needs Worksheets
Parts of our body that we can see.
Head, skin, arms, legs, eyes , ears , nose , tongue etc
Skin in the biggest organ of our body
Sense organs are also external organs and they comprise of Nose (smell), Eyes(sight), Ears (hearing),
Tongue (taste), Skin (touch)
Parts that are inside our body
Brain, heart, lungs, stomach etc
Lets brush up on the basics first. The class 1 lessons will give a nice overview of the animal life.
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1. What is the closest planet to the Sun? |
| 2. What is the name of the 2nd biggest planet in our solar system? |
| 3. What is the hottest planet in our solar system? |
| 4. What planet is famous for its big red spot on it? |
| 5. What planet is famous for the beautiful rings that surround it? |
| 6. Can humans breathe normally in space as they can on Earth? |
| 7. Is the sun a star or a planet? |
| 8. Who was the first person to walk on the moon? |
| 9. What planet is known as the red planet? |
| 10. What is the name of the force holding us to the Earth? |
| 11. Have human beings ever set foot on Mars? |
| 12. What is the name of a place that uses telescopes and other scientific equipment to research space and astronomy? |
| 13. What is the name of NASA’s most famous space telescope? |
| 14. Earth is located in which galaxy? |
| 15. What is the name of the first satellite sent into space? |
| 16. Ganymede is a moon of which planet? |
| 17. What is the name of Saturn’s largest moon? |
| 18. Olympus Mons is a large volcanic mountain on which planet? |
| 19. Does the sun orbit the Earth? |
| 20. Is the planet Neptune bigger than Earth? |
