Science Final exam studing

What is an ecological footprint?

• The amount of waste a human can make.

• The impact of the security of the world. And humans.

• The impact of a person or a comunity in the enviorment.

• The envirormental impact of a person in a comunity.

What are abiotic and biotic factors

• Biotic: Dead things.

  Abiotic: Living Things

• Biotic: Raw material

  Abiotic: All ready used things.

• Abiotic: Non living factors.

  Biotic: Water

• Abiotic: Non-living things

  Biotic: Living Things

What are decomposers?

• Decomposers break down matter outside of their bodies

• Decomposers eat dead things like rocks.

• Decomposers don't exist

• Decomposers eat living things, worms are decomposers.

What is a food chain?

• A food chain is conected to everything.

• A food chain shows the transfer of energy throught organisims.

• Food chains are a natural interconection of energy.

• The base of an eviorment.

An example of a renewable and non-renewable resources are:

• Renewable: Wood

  Non-renewable: Air

• Renewable: Sun light

  Non-renewable: Water

What are the properties of water?

• Polarity, Adhesion, Cohesion, Surface Tension, Capilarry action.

• Oxygen, Cohesion, Surface Tension, Capilary action and Adhesion.

What contaminates more water?

• Plastics

• Emissions

• All of the above

What is the water cycle?

• The movement of water in earth.

• The trip of water so it gets clean.

• The movement of water to get to other places.

What is force?

• A push

• A pull

• A amount of push you do to move things.

• A push and a pull.

What is speed?

• Force divided mass

• The direction were the object moves.

• The amount of distance and time.