By Kian Dueholm

A simple machine is any machine used to make work easier.ex. Pulley, lever, wheel and axle.

The speed of something in any given direction.

Friction is a outside force acting on a moving object.

Friction and gravity both affect motion .

An object in rest tends to stay in rest and an object in motion tneds to stay in motion.

A rock can be worn down by being weathered so much and then a dead decaying organism has to fertilize it.

An example of a slow process would be erosion and it might make sandbars.

A fast earth process example is earthquakes and it could form a fault block mountain.

Air is renewable and used for breathing. plants are renewable and used as crops.

Coal is nonrenewable and used for fires, oil is nonrenewable and used to make gas.

Humans don't usually recycle, filling landfills but do throw trash in oceans killing ocean life.

Humans can recycle and throw trash in the trash can not the ocean.

Examples are prairies( prairie dogs, Bison )and forests( squirrels,bears).

You could find rocks and streams.

An invasive species is a species that is brought from one place to another and has repopulated in the new area.

It could need the same food as another species, but eat all the food so the other species die.