The Earth

Is a solid made up of minerals.

• a rock

• soil

• igneous

The three main types of rocks are:

Some recks contain organic matter that comes from:

Is form when rocks are broken down into smaller pieces

• rock

• soil

• wather

Match the following

• chemical weathering

• happens when rock is broken down due to chemical reaction.

• physical weathering

• Rocks are made up of particles of other rocks, as well plants material.

• metamorphic rocks

• is cause by living organism.

• sedimentary rocks

• Can occur due to change in the temperature, wind rain and waves,

• Biotic weathering

• it forms when the rock is heated at high temperatures

metamorphic rocks can be formed when:

1. the rocks get buried deep underground

2. 2. hot lava flows over the rocks

3. 3. high pressure

• false

• true

the process usually starts when rivers carry rocks participles into a lake or sea.

• sedimentary rocks formation

• igneous rocks formation

• metamorphic rocks formation

The word fossil means

Fossils are the remains of ancient plants and animals preserved in rocks.

• false

• true

there are _________ types of fossils