The ______________ is almost 480 kilometer in thickness.

Almost 95 % of all animal species are of invertebrates.

Objects that are heavy with less ........................ have high density.

The green pigment in plants which helps to trap................................ is chlorophyll.

While making food plants use .......................... and give out oxygen.

Plants depend directly on the sunlight for ......................... to make their food.

The protective shell in ............................. plants in which seeds grow is called ovary.

Mammals are classified as invertebrates.

The surface of teeth is the softest part of our body.

The Earth revolves around the sun and on its own axis.

Horse

Frog

Lion

The process of breakdown of teeth due to the action of bacteria is called:

Taking air in the lungs and sending carbon dioxide out is called:

The Earth’s water forms have fresh water except:

Malleable and ductile

High density

Conducts electricity

Dull

Brittle

Conducts heat

Strong

The nutrients that have similar properties are called:

Camel

Weather is the temporary state of the environment at any time.

The covers of switches are made of copper for safety.

The nitrogen is used to make ......................... and filling tyres of aircrafts.

Slightly pointed teeth which are used for tearing and biting are canines.

Invertebrates have an external covering on their bodies called exoskeleton.

On heating, gases expand and their pressure _______________ in the container.

Solids are hard to break due to their _____________structure of molecules than liquids.

Which of the following is the most commonly used mineral in daily life?

Which of the following food group is needed for repairing body tissue?

Which of the following is not an example of decomposers?

Organisms that eat both plants and animals are included in:

The young frogs breathe in water through their:

What is the relationship between mass and volume called?

Which of the following supports the plant above the ground?

what vertebrate group do they belong to?

Can be drawn into thin wires shapes.

Goes from a solid to a liquid under high temperatures.

Firm and resistant to pressure.

Reflects light.

dog and fish

crab

grasshopper

What are the similarities between the following animals