Question

DEFINE THE FOLLOWING
1. Rock
2. Lava
3. Minerals
4. Fossils
5. Sediments

Answer 1

Answer:

1. Rock: Any natural mass of mineral matter that makes up the earth’s crust is called a rock.

2. Lava: Lava is fiery red molten magma coming out from the interior of the earth on its surface.

3. Minerals: Minerals are naturally occurring substances which have certain physical properties

and definite chemical composition

4. Fossils: The remains of the dead plants and animals trapped in the layers of rocks are called

fossils.

5. Sediments: Rocks roll down, crack and hit each other and are broken down into small

fragments. These Smaller particles are called sediments.

Refer the attachment if there are spelling errors

Answer 2

Explanation:

1. Rock- The solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil.

2. Lava- Hot molten or semi-fluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.

3. Minerals- A solid, naturally occurring inorganic substance.

4. Fossils- The remains or impression of a prehistoric plant or animal embedded in rock and preserved in petrified form.

5. Sediments- Matter that settles to the bottom of a liquid; dregs.