Transcript Twenty Questions

Twenty Questions
Subject: Minerals,
Rocks, and Fossils
Twenty Questions
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1. What is a mineral?
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A mineral is a solid, formed by nature, and
has never been alive.
2. Name two examples of minerals.
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Gold, graphite, diamonds, chalk, corundum,
quartz, emerald, ruby, etc.
3. What are the three properties of
minerals?
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Hardness, color, and shape.
4. Name two ways we use minerals.
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When we pick up a glass
When we pour salt on our food
When we use a pencil to write
When we eat
For airplanes, buildings, and washing
machines
Jewelry and money
5. What is a rock?
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A rock is a mineral. Some are made of just
one mineral while others are made of many
minerals.
6. What would you find if you cut open
the earth?
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The crust on the outside is solid.
The mantle is under the crust and is so hot
that some rocks have nearly melted, and are
soft like taffy.
7. Name the three types of rocks.
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Igneous
Sedimentary rock
Metamorphic
8. What do we call the process in
which rocks change from one type to
another?
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The rock cycle.
9. How do people use rocks?
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Video games
Computers
Satellites
Microwave ovens
Jewelry
Roads that are paved
Buildings
Statues
10. What forces cause metamorphic
rocks to form?
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Heat and pressure
Time is also needed
11. What type of rock forms in layers?
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Sedimentary rock
12. What are fossils?
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A fossil is something that has lasted from
living things that died long ago.
13. What is a mold?
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The shape of a plant or animal left in
sediments when the rock formed.
14. What is a cast?
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A cast forms when mud or minerals fill a
mold.
15. What is an imprint?
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Molds of leaves or other thin objects. Some
are of animals parts decomposed long ago.
16. What do fossils have to do with
dinosaurs?
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They show how dinosaurs lived.
17. How do fossils show how
dinosaurs lived?
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The teeth show what they eat.
The skeletons show their size.
Where you find fossils indicate where
dinosaurs lived.
18. What causes sedimentary rock to
form?
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Water flows or wind blows, carrying
sediment. It piles up in layers and eventually
forms rock.
19.
Which item is made of graphite?
A. Cars
B. Pencils
C. Buildings
D. Ships
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B. Pencil
20. Name the two types of rock that
you are least likely to find fossils.
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Metamorphic
Igneous