8th Grade: A Trivia Quiz On Earth Science!
The Earth has a layered structure, the part on which we live is called the crust. It is made from solid rocks which are covered in many places by soil. Soil is created from the weathering and erosion of the rocks, so the type of soil in an area depends on what rocks are in the region. Rocks are made from minerals that are joined together.
- 1.
Which one of these describes a metamorphic rock?- A.
A black rock formed on the Earth's surface
- B.
A glass type rock formed by volcanoes
- C.
A rock formed from grains of sand squeezed together
- D.
A white rock, showing layers formed by heat and pressure on chalk or limestone
- 2.
Which statement about the rock cycle is true?
- A.
Erosion is the weathering and carrying away of rock sediment
- B.
Freeze thaw is cold weather
- C.
Lava is molten rock inside the Earth
- D.
Transportation is the covering and squashing of layers
- 3.
Which rock is composed mainly of calcium carbonate?
- A.
Chalk
- B.
Pumice
- C.
Quartz
- D.
Sandstone
- 4.
Which type of soil will have good drainage, meaning water runs through quickly?
- A.
Clay
- B.
Loam
- C.
Sandy
- D.
Silt
- 5.
Sandstone is grainy and crumbly and may contain fossils. Its rock type is.....
- A.
Igneous
- B.
Metamorphic
- C.
Sedimentary
- D.
Soft
- 6.
Which of the following is a metamorphic rock?
- A.
Basalt
- B.
Limestone
- C.
Mudstone
- D.
Slate
- 7.
Granite is an intrusive igneous rock. Which best describes its characteristics?
- A.
A hard rock, large crystals due to slow cooling of magma
- B.
A hard rock, small crystals due to fast cooling of lava
- C.
A soft rock, large crystals due to slow cooling of magma
- D.
A soft rock, small crystals due to fast cooling of magma
- 8.
Which type of rock has been formed from hot liquid rock called magma?
- A.
Igneous
- B.
Metamorphic
- C.
Mixture
- D.
Sedimentary
- 9.
Which one of these is NOT a component of soil?
- A.
Humus
- B.
TMagma
- C.
Rock particles
- D.
Water
- 10.
Which of the following is the BEST definition of weathering?
- A.
Breaking up of rocks at the surface
- B.
Change to liquid caused by intense heat
- C.
Covering and squashing layers to form rock
- D.
Moving of rocks from one place to another
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