Show:
Minerals
Rocks
Sorting Rocks
Fossils
Resources
100
What are minerals?
Minerals are natural, non living material that make up rocks.
100
What are rocks?
Rocks are natural, solid, nonliving materials made of one mineral or a combination of minerals.
100
What are sieves?
A sieve is a tool that is used for separating materials.
100
What is a fossil?
A fossil is the remains or mark of a living thing from long ago.
100
What is a natural resource?
A natural resource is an important material from Earth that living things needs. Ex.) Trees
200
What are some examples of minerals?
Some examples of minerals are gold, silver, diamonds, rock salt, and quartz.
200
Rocks are made up out of one of more _________.
Minerals.
200
You could use a sieve to sort rocks into groups based on what?
Size.
200
Where are fossils often found?
Fossils are found in sedimentary rocks.
200
What are renewable resources?
Renewable resources are resources that can be replaced in a fairly short amount of time. People can keep on re-using this resource over and over again.
300
What are the four ways that we can sort minerals by?
We can sort minerals by their hardness, luster, streak, and color.
300
What type of rock is changed by heat and pressure?
Metamorphic Rock.
300
What is a boulder?
A boulder is a large rock that is rounded or worn away by water and weather.
300
What are the two main types of fossils?
Body fossils and trace fossils.
300
What are some renewable resources that living things need in order to live?
Water and Sunlight.
400
What is streak?
Streak is the color of the powder that a mineral leaves when it is rubbed across a rough surface.
400
What type of rock melts, cools down, then hardens?
Igneous Rock.
400
What is silt?
Silt is very fine particles of earth and sand carried by moving water.
400
Why is it important for us to study fossils?
It is important for us to study fossils because they tell us how plants and animals have changed over time. They also help us understand how the Earth has changed.
400
Which is a fuel that humans use to power cars, airplanes, and machines?
Petroleum
500
You find a light colored mineral. Which properties are best for helping you identify it?
Hardness and Streak
500
How do we use rocks?
We use rocks to make buildings, tools, pavement, bricks.
500
What are two differences between sand and silt?
Sand is tiny grains of rock. Silt is particles of earth. Silt is smaller than sand.
500
What might you learn from fossils that are found where you live?
One might learn about the different animals or plants that lived in their neighborhood at one time.
500
Identify an object that you used today that is made form a natural resource. Tell which resource it is made from, how the resource was changed to make the object, and whether the resource is renewable or nonrenewable.
Ex.) Gas in my car. It is made from Petroleum. This resource was changed by a process called oil refining. In this process they break down the petroleum into oil. This resource is nonrenewable.