Matter and Energy -STAAR Review Day 2

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What is energy?

Back

Energy is the ability to do work or cause change.

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What are producers in an energy pyramid?

Back

Producers are organisms that create their own food through photosynthesis, such as plants.

Front

What are consumers in an energy pyramid?

Back

Consumers are organisms that eat other organisms for energy, including herbivores, carnivores, and omnivores.

Front

What is an ecological pyramid?

Back

An ecological pyramid is a graphical representation showing the distribution of energy or biomass among trophic levels.

Front

What is a chemical change?

Back

A chemical change occurs when substances combine or break apart to form new substances.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice into water.

Front

What is the difference between a food chain and a food web?

Back

A food chain shows a linear sequence of energy transfer, while a food web shows interconnected food chains.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or energy pyramid, representing the flow of energy.