Rocks Minerals and Soil

Soil is made of

• Glass, water, and minerals.
• Metals, minerals, and rocks.
• Rock, minerals, and decayed matter.

Sedimentary rock forms

• When meteors fall to the earth.
• When magma cools.
  
• In layers.
• In the core of the earth.

Which is true about a thick layer of topsoil?

• It is rich in humus.
• It is rich in acidic chemicals.
• It is NOT good for growing plants.
• It does not contain minerals.

Which is formed when magma cools and hardens?

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock
• Molten Rock

Which is a resource that is used to grow plants?

• Rocks
• Oil
• Fossils
• Soil

Which is true about ALL minerals?

• They can be identified by their properties.
• They can be identified based on color only.
• They have the same texture.
• They are the same size and shape.

Which of the following helps to form soil?

• Sunlight
• Weathering 
• Pollution
• Fossils

A handful of soil has a reddish color and holds a lot of water.  It is most likely

• Clay
• Loam
• Silt
• Humus

Luster is a property that helps identify minerals. What tool would be helpful to determine if a mineral has luster?

• Nail
• Flashlight
• Penny
• Ceramic Tile

Which of the following types of soil is composed of decaying parts of organisms and is often used to plant house plants?

• Clay
• Sand
• Humus
• Silt