Gr. 4 Science Day (Top 3)

The sun is a ________.

• Star

• Planet

• Dwarf Planet

• Asteroid

What do you call an animal that eats both plants and animals ?

• Carnivore

• Omnivore

• Herbivore

• Mammal

The longest bone in our body is the _________.

• Finger bone

• Ear bone

• Thigh bone

• Nose bone

Boiling the milk _________.

• Improves taste.

• Gives power to the bacteria

• Kills germs.

• is not good for health.

Which of the following is not correct about the teeth ?

• They give proper shape to our face.

• They help us to chew food.

• They help us to speak clearly.

• They make digestion easy

Which one among the following causes tooth decay ?

• Regular brushing.

• Eating food that are high in sugar.

• Visiting a dentist for regular checkups

• None of these

Which of the following is most suitable for making umbrellas ?

• Cotton

• Woollen

• Waterproof material

• Silk

Fishes use which organ to breathe ?

• Fins

• Head

• Eyes

• Gills

20. Which of the following groups of animals have scales ?

• Reptiles

• Mammals

• Amphibians

• Birds

30. Earth is surrounded by layers of gases which are called the _____.

• Atmosphere

• Hydrosphere

• Ozone Layer

• Stratosphere