Rocks/Minerals
Earth's Surface
Natural Resources
The environment
Miscellaneous
100
a rock is a mixture of minerals, but a mineral is made up of only one earth material
What is the difference between a rock and a mineral?
100
wind, rain, climate
What causes slow changes of the surface of the earth?
100
metals, coal, water, soil, and trees
What are natural resources?
100
reduce, reuse, renew, and recycle
What methods can humans use to help the environment?
100
sand
Which has the largest particle size: sand, silt, or clay?
200
The rock has different colored particles.
What evidence shows that a rock is made of minerals?
200
volcanoes, earthquakes, landslides
What causes rapid changes in the earth's surface?
200
Materials that are taken from the earth and cannot be replaced.
What are non-renewable resources?
200
paper, metal, glass, and some plastics
Which materials can be recycled?
200
A rapid change in the earth's surface
What kind of changes do landslides, earthquakes, and volcanoes cause to the earth's surface?
300
Bricks
What building material is made out of crushed rocks and sand?
300
changes is size and shape of the surface features of Earth
What evidence shows that the surface of the Earth is always changing?
300
A non-renewable resource that is used to make cars, steel, pots and pans, and pop cans.
What is metal?
300
So we don't have to cut down trees.
Why should we recycle paper?
300
a slow change
What kind of change in the earth's surface does a glacier cause?
400
The rock that is all white (only one color).
Greg found 2 rocks: a speckled one with different colors, and an all white, shiny one. Which one was probably a mineral?
400
When dirt, rocks, or mud slide down a mountain.
What is a landslide?
400
They can be restored by the water cycle and replanting of trees.
Why are water and forests classified as renewable resources?
400
waste
What do we call things we throw away, such as trash or garbage?
400
glass
What manufactured material is made from sand?
500
We OBSERVED that soil contains sand, pebbles, and pieces of twigs and leaves.
What evidence supports the conclusion that soil is a mixture?
500
A huge sheet of ice that slowly moves across the land carrying rock and soil along with it.
What is a glacier?
500
This natural resource is used to make plastics and gasoline.
What is petroleum used for?
500
Composting recycles vegetable and fruit scraps into the soil and reduces the amount of waste at the landfill.
How does composting kitchen scraps affect the environment?
500
pencils, paper, furniture
What manufactured material is made from trees?
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