types of soil pt1
particle that you can see just using your eyes?
sand
what is conservation
what is soil used for?
to help grow plants
what material is a mixture of water, air, pieces of rock and dead plants and animals?
what is humus
what is bedrock made out og?
made out of soli rock
what is a renewable resource
why does water pass more quickly through sandy soil than clay or silt?
because the particle size is bigger
what is fossil fuels
fuels that form over many years from the remains of once-living organisms
what type of materials do plants take to help them live and grow
nutrients
what is topsoil made out of
humus
what is a way we can conserve paper?
by recycling
how does soil form?
formed from weathering of bedrock
what is nonrenewable resources
what is resources that can be used up
what happens when people dump garbage into the river?
water pollution
what is subsoil made out of
small pieces of rock with no humus
why do we use cotton?
to make clothes
by the particle size
clay
the smallest form of particle of rock
what is one way you can reuse plastic water bottles?
answers will very
with the particles clay, silt and sand what is the order from smallest particle to largest particle
clay, silt, sand
what are some natural resources that people waste every day?
answers will vary
like water, lights
what part of the soil is when leave on the tree fall to the group?
what is surface litter
compost
humus that you can make yourself
how can you conserve trees?
by planting new trees