Acids and Bases
Chemical and Physical Reactions + States of Matter
Photosynthesis
Mixtures
Food Web
100

The pH of water.

What is 7?

100

Matter that is packed together and does not move.

What is a solid?

100

The source of the energy plants use for photosynthesis.

What is the sun?

100

What you get when two or more things are mixed together.

What is a mixture?

100

A diagram showing the relationship between the organisms of an ecosystem.

What is a food web (or a food chain)?

200

The name of something that is not acidic nor basic.

What is neutral?

200

A process that changes the identity of something.

What is a chemical change?

200

The gas that plants make through photosynthesis.

What is oxygen?

200

A mixture where some parts of it look different than others.

What is a heterogeneous mixture?

200

An organism that eats other living things.

What is a consumer?

300

The name of the number scale used to measure how acidic or basic something is.

What is pH?

300

A process that changes the form of something but not its identity.

What is a physical change?

300

The carbon-containing gas that plants use in photosynthesis.

What is carbon dioxide?

300

A mixture where the whole thing looks the same.

What is a homogeneous mixture?

300

An organism that makes its own food.

What is a producer?

400

The vegetable used to make the colorful indicator we used in the acid base experiment.

What is red cabbage?
400

A state of matter that takes the shape of its container and cannot be squashed.

What is a liquid?

400

The product of photosynthesis that provides plants with energy.

What is sugar?

400

A special type of a mixture that looks the same throughout, and is made up of a single phase.

What is a solution?

400

An organism that eats dead stuff.

What is a decomposer?
500

The atom that makes something acidic or basic.

What is hydrogen?

500

The opposite process of evaporating.

What is condensing?

500

The name of the green dye that plants use to capture sunlight.

What is chlorophyll?
500

The name of a solution that cannot dissolve any more things.

What is a saturated solution?

500

A name for each part of the food chain, or each layer of the energy pyramid.

What is a trophic level?