The minerals are the substances found naturally on the earth. It makes up the rocks that covers the earth. Many metals can be obtained from minerals. Minerals from which metals are obtained are called ores. Minerals are very useful in our daily life.

Science>Physics>Energy>Transformation of Energy

EASY

Earn 100

A non-renewable resource is given below. Write their uses in front of their names.
Cooking gas (LPG): _, _.

Important Questions on Energy

EASY

Science>Physics>Energy>Transformation of Energy

State the energy changes in the case of an electric iron while in use.

EASY

Science>Physics>Energy>Transformation of Energy

State the energy changes in the case of a ceiling fan while in use.

EASY

Science>Physics>Energy>Transformation of Energy

Distinguish between renewable and non-renewable resources.

EASY

Science>Physics>Energy>Transformation of Energy

Minerals are chemical substances that are man-made.

EASY

Science>Physics>Energy>Transformation of Energy

Correct the following sentence by changing the underlined word.

Resources which never get exhausted are called non-renewable resources.

EASY

Science>Physics>Energy>Transformation of Energy

Correct the following sentence by changing the underlined word.

Ores are the building blocks of all rocks.

MEDIUM

Science>Physics>Energy>Transformation of Energy

In what way can we utilise energy from wind, water and sunlight to prevent the depletion of natural resources? How do you think this will help us to reduce the level of pollution in the environment?

MEDIUM

Science>Physics>Energy>Transformation of Energy

Minerals from which metals are obtained are called fuels.

HARD

Science>Physics>Energy>Transformation of Energy

Describe the various uses of minerals.

EASY

Science>Physics>Energy>Transformation of Energy

Coal and petroleum take _____(millions of/ two) years to be formed.

EASY

Science>Physics>Energy>Transformation of Energy

Name five things we get from petroleum.