Grade 7 Science Planet Earth Topic 1 - 3

Luster is how:

An unsaturated solution is needed to grow crystals.

Limestone being dissolved by carbonic acid is an example of:

Rocks are made up of _______.

Biological weathering is caused by plants and animals.

Eroded sediment pushed in front of glaciers is called striations.

Which is NOT a type of rock.

Glaciers make scratches in rocks called moraines.

What is NOT a form of identifying a type of mineral?

___ is molten rock found in the Earths mantle. Once it breaks the Earths surface it becomes ___

Repeated freezing and thawing of water that cracks rocks is an example of:

Heat and pressure can change sedimentary rock into metamorphic rock.

If a rock splits along smooth even pieces, it is said to ________.

Gold leaves a white streak on unglazed porcelain.

Tree roots cracking the foundation of a house is an example of:

A rock falling down the side of a mountain is an example of:

Chemical weathering occurs when vinegar is poured on rock to decide if calcium is present.

Moss growing on the side of a rock, causing pits in the rock is an example of:

Gneiss is a metamorphic form of granite.

Which one is NOT a factor that influences the formation of soil: