Energy and Matter

Carbon Dioxide: _______ needed by plants for life, waste product of animals.

• is a gas

• is a liquid

• is a solid

• is a metal

Chlorophyll: _______ substance found inside a chloroplast that makes a plant green.

• green

• red

• blue

• yellow

Chloroplast: _______ structure inside a plant where photosynthesis takes place. It is filled with chlorophyll.

• organelle

• cell

• tissue

• molecule

Community: _______ A group of organisms that live in the same area and interact with one another.

• A group of organisms that live in the same area and interact with one another.

• A single organism living in isolation.

• A group of organisms that do not interact with each other.

• A group of organisms that live in different areas.

Consumer: _______ A living thing that cannot make its own food and must eat other living things.

• A living thing that cannot make its own food and must eat other living things.

• A living thing that can make its own food.

• A non-living thing that can make its own food.

• A non-living thing that cannot make its own food.

Decomposer: _______ a living thing that gets energy by breaking down dead organisms and animal wastes into simpler substances.

• is

• are

• was

• were

Ecosystem: _______ A community of organisms and the environment in which they live.

• Ecosystem

• Habitat

• Population

• Biosphere

What is an energy pyramid?

• A graphical representation of energy flow in an ecosystem

• A type of renewable energy source

• A pyramid-shaped building that generates energy

• A method of conserving energy in households

The environment is:

• the natural world around us.

• a type of food.

• a kind of music.

• a form of exercise.

The flow of energy is:

• the movement of energy through a system from one form to another

• the creation of energy from nothing

• the destruction of energy

• the storage of energy in a system