Download 16.4 - Rocks

Earth Science
Name
16.4 – Homework: Rocks
Date
1.) What is a rock?

2.) Igneous rock is formed form:
1. Crystals left behind when water
evaporated
3. Melted rock material that
cooled and hardened
2. Meteorites that fell to Earth
4. Layers of sediment that were
squeezed together
3.) Rocks that form when sediments get pressed and cemented together.
1. magma
3. igneous
2. metamorphic
4. sedimentary
4.) Rocks formed from hot, molten rock material that cooled and hardened are:
1. igneous
3. metamorphic
2. sedimentary
4. mineral
5.) Forms when rock is heated or squeezed and the minerals in the original rock
forms new minerals.
1. Igneous
3. Sedimentary
2. Metamorphic
4. Lava
6.) Rocks that form from debris that settles in lakes, streams, or oceans and is
squeezed into rock after millions of years by the pressure of water are:
1. Sedimentary
3. Metamorphic
2. Igneous
4. Crystal
7.) In the rock cycle, weathering and erosion change which type of rock into
sediments?
1. Igneous
3. Metamorphic
2. Sedimentary
4. All of the above
8.) Over time igneous rocks become sedimentary rocks, sedimentary rocks then
become metamorphic rocks. This is known as the:
9.) Lee collected some rocks in his neighborhood. What could he do for a
scientific investigation with the rocks?
1. Keep the rocks on his window
sill
3. Group the rocks and compare
their properties
2. Give the coolest rock to his
friend
4. Put the rocks in a fish tank
10.) What are the six properties of minerals?
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Earth Science
Name
16.4 – Homework: Rocks
Date
KEY
1.) What is a rock?

A natural solid made of one or more minerals
2.) Igneous rock is formed form:
1. Crystals left behind when water
evaporated
3. Melted rock material that
cooled and hardened
2. Meteorites that fell to Earth
4. Layers of sediment that were
squeezed together
3.) Rocks that form when sediments get pressed and cemented together.
1. magma
3. igneous
2. metamorphic
4. sedimentary
4.) Rocks formed from hot, molten rock material that cooled and hardened are:
1. igneous
3. metamorphic
2. sedimentary
4. mineral
5.) Forms when rock is heated or squeezed and the minerals in the original rock
forms new minerals.
1. Igneous
3. Sedimentary
2. Metamorphic
4. Lava
6.) Rocks that form from debris that settles in lakes, streams, or oceans and is
squeezed into rock after millions of years by the pressure of water are:
1. Sedimentary
3. Metamorphic
2. Igneous
4. Crystal
7.) In the rock cycle, weathering and erosion change which type of rock into
sediments?
1. Igneous
3. Metamorphic
2. Sedimentary
4. All of the above
8.) Over time igneous rocks become sedimentary rocks, sedimentary rocks then
become metamorphic rocks. This is known as the:
Rock Cycle
9.) Lee collected some rocks in his neighborhood. What could he do for a
scientific investigation with the rocks?
1. Keep the rocks on his window
sill
3. Group the rocks and compare
their properties
2. Give the coolest rock to his
friend
4. Put the rocks in a fish tank
10.) What are the six properties of minerals?

Cleavage

Streak

Fracture

Luster

Color

Hardness