Vocabulary
What is fuel?
material that is burned for energy
What is a solid, non-living thing found in nature?
a mineral
What is a mixture of minerals, weathered rocks, decayed plants and animals.
soil
What is weathering?
large rocks break into smaller rock, smaller rocks break into sand
land with water all around it
island
What is soil?
a mix of minerals, weathered rocks, and other things
What are nonliving things made of minerals?
rocks
How does farming help soil?
reduces erosion
What can break down rocks?
wind, rain, temperature
tallest landform
mountain
What is a natural resource?
a useful material found in nature
What are sedimentary rocks?
Rock made of bits of sediment.
What does gravity do?
it's a force that pulls things down
What can plants do to rocks?
grow in the cracks and the roots split them apart.
land that boarders the ocean
coast
What is a fossil?
what is left of something that lived long ago
What are metamorphic rocks?
Rock that has been changed by heat and pressure.
What are 3 layers of soil?
1.Topsoil
2.Subsoil
3.Bedrock
What is erosion?
the weathering and movement of small pieces of rocks
land with steep sides and a flat top
plateau
What is pollution?
when harmful things get into water, air, and land
What are 4 properties of minerals?
1.color
2.streak
3.luster
4.hardness
What are some differences in soil?
Thickness, types of minerals, size, how much water is can hold
How do glaciers cause erosion?
They are large pieces of ice that move slowly across the land and tear rocks out of the ground. As the glacier melts it drops off the rocks into new places
land that has water on 3 sides
BONUS: give an example
peninsula
Korea