Fossils and Review of Rocks, Minerals, and Soils

What is a fossil?

• The skeleton of an animal
• The remains of an organism that lived long ago and is now a rock
• A bone found outside
• A piece of sediment

Fossils of many fish are found under land where cows now live. What does this tell you?

• the fish were dropped there by flying birds
• this land was once under the ocean
• farmers fed the fish to the cows
• fish used to live on land

Which animal part would MOST LIKELY form a fossil?

• fur
• lung
• bone
• muscle

Why do bones and teeth remain as part of some fossils?

• they are white
• bones are large
• the parts are hard 
• bones decay easily

These are dinosaur footprints. What type of fossil is this? 

• trace
• cast
• mold
• amber

How do scientist identify minerals?

• They guess what they are
• They check the hardness and streak of the mineral
• They look at the color ONLY
• They check the heaviness or weight of the mineral

When water washes away a hillside, what process is occurring?

• weathering
• erosion
• deposition

Which statement below is true?

• Rocks are harder than minerals.
• Minerals can't make rocks.
• Rocks can't make minerals.
• Rocks are more colorful than minerals.

How can a sedimentary rock change into a metamorphic rock?

• It must be weathered and eroded.
• It must change by getting placed in a volcano.
• It must be melted.
• It must go through a change because of extreme heat and pressure. 

What can be many colors, doesn't drain well, and has tiny grains that you can't see or feel?

• rocks and minerals
• sediment
• sand
• clay