Fast Changes
molten rock above Earth's surface is called...
lava
True or False... Earthquakes are a slow land change.
False
True or False - soil is a mixture
True
food to eat, to do work, to ride...
This natural resource is most commonly used to make our clothes.
cotton
Molten rock under Earth's surface is called...
magma
Over many, many years, the sharp rocks in a river will become..
rounded and smooth.
When living things (plants and animals) are broken down.
Name 2 ways we can conserve/protect natural resources:
recycle, reuse, replant plants, don't pollute water, don't waste electricity, oil, gas, water
Name 3 fast land changes
earthquakes, volcanoes, landslides
This is the movement of large amounts of rock and dirt/earth down a slope
landslide
Weathering is...
the breaking down of rock
True or False - Sand and clay are types of soil
True
This type of natural resource is easy to replace or replenish...
Renewable Resources
This is what we call an opening in Earth's crust through which lava, ash and gases can come out of...
volcano
Earthquakes are caused by...
tectonic plates slipping and rubbing against each other
Erosion is...
pieces of rock being moved by wind or water.
This is the layer of soil that has the most nutrients from decomposed plants and animals.
humus
This type of natural resource cannot be replaced.
Nonrenewable resources
Name 3 renewable natural resources
wind, water, wood, plants, sunlight, animals, etc
What are two good things that happen from volcanoes?
How is sand formed?
Waves crash and break rocks over and over and it ends up on the shore.
Soil is formed by...
...the weathering of rock and the decomposition of dead plants and animals.
This is the wise use and protection of resources / not waste.
Conservation
Name 2 non renewable natural resources.
coal, gas, oil