Animal classification
States of matter
Material around us
Earth and sky
Sensory organs
100

Animals that have backbones are called_____

1) carnivores    2) vertebrates

Vertebrates

100

Matter is something that has______ and occupies_______.

mass and weight

100

Name six materials around us?

Glass,plastic,wood,metal,paper,rubber

100

What is the pattern of the sky?

Repeatation of Day sky and night sky one after the other.

100

What are sensory organs?

Eyes,ears,nose,tongue and skin.

200

What are oviparous animals?


Animals who lay eggs.

200

What are three states of matter?

Solid,liquid,gas

200

What are the  properties of glass?

Hard,waterproof,transparent,brittle

200

Why is Earth diffetent from other planet?


Earth has  everything in suitable conditions for living a comfortable life.

200

Ravi ran to open the door when his father rang the door bell.He used his sense of _____________.

Hearing.

300

Which organ do amphibians  use to breathe?

Skin, gills and lungs

300

Name the process by which liquid water becomes solid ice ?

Freezing

300

Why metal is used to make lock?Give reason.

Metal is strong and hard.

300

When we experience full moon?

When Earth is in the centre of moon and sun,we experience full moon.

300

Which sense organ tells us that lemon is sour?

Tongue

400

Which is the largest mammal in world? why?

Blue whale is the largest mammal in the world because it breathes with its lungs.

400

Gases can be compressed easily.True or False

True

400

Name two products that are made up of recycled materials?

Books

Aluminium Cans

Plastic toys

400

Which is the largest salt waterbodies on Earth?

Oceans

400

The children ___________ beautiful in their uniforms.

Fill the right sense to complete the sentence.

look

500

I am a bird. I can't fly but I can swim.

I can walk too. I am found in cold climate.

Penguin

500

Can you think of any substances that have properties of both solid and a liquid?

Toothpaste

Tomato Ketchup

Hair gel 

500

Why do some materials float in water while others sink?

Material float or sink in water due to its density.

500

The Earth spins about an inclined imaginary line that passes through its centre.This line is known as _______________.

Axis

500

Which language is used by blind persons to read?

Braille

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