10 questions
What is a renewable resource?
a resource that can be replaced easily
harmful materials
a resource that can be used up
something found in nature
Which material is a mixture of water, air, pieces of rock and dead plants and animals?
soil
sand
clay
humus
What is something that comes from nature that people use?
conservation
fuel
pollution
natural resources
What is conservation?
making fuels
putting harmful things in the environment
saving resources
throwing trash in the ocean
What do plants take in from the soil through their roots?
clay
sand
nutrients
rocks
Which would tell all about nonrenewable resources?
they are fossil fuels
they must be mined
they are used for fuels
they can be used up
Which would list rock particles in order from biggest to smallest particle?
clay, silt, sad
silt, clay, sand
sand, silt, clay
clay, sand, silt
How have people used cotton and wool?
to make gasoline
to make electricity
to make just for fun
to make clothing
How can you find out if the soil is sand or silt?
observe how fertile the samples are
test the amount of nutrients in the samples
measure the amount of water in the samples
observe the size of particles in the samples
When leaves fall off of tress what do they become part of first?
bedrock
surface litter
topsoil
subsoil