| A | B |
|---|
| I am a form of matter that has its own volume but does not have a shape of its own. | liquid |
| I am a form of matter that has no shape or volume of its own. | gas |
| I am a combination of substances that are not chemically bonded. | mixture |
| I am a type of mixture in which the substances stay mixed together evenly. | solution |
| I am a tiny building block that all living things are made of. | cell |
| I am the liquid in a cell that contains the chemicals needed to keep the cell alive. | cytoplasm |
| I am the center of the cell that controls the cell's activities. | nucleus |
| I am the thin structure through which oxygen and food products enter a cell and waste products are taken away. | cell membrane |
| I am the nonliving structure that surrounds a plant cell and gives it shape and support. | cell wall |
| I am the fluid-filled sac in a cell that stores different substances. | vacuole |
| I am the structure in a plant cell that contains chlorophyll and is used to make food. | chloroplast |
| I am the name for any animal that has a backbone. | vertebrate |
