How many states of matter are there?

• 2

• 3

• 6

_______________ have definite shapes and definite volumes.

• liquids

• gases

• solids

_____________ has mass and occupy space.

• volume

• matter

• weight

_______________ have definite volumes but no definite shapes.

• solids

• liquids

• gases

___________can flow but cannot be compressed.

• liquids

• solids

• gases

______________ has no definite shape and no definite volume.

• solid

• liquid

• gas

_____________ is a gas that plants need to make food during photosynthesis.

• helium

• oxygen

• carbon dioxide

During the day time plants inhale _____________________ and exhales ______________________.

• carbon dioxide, oxygen

• oxygen, carbon dioxide

• oxygen, nitrogen

___________________ is the process in which plants prepare their own food.

• photosynthesis

• respiration

• transpiration

___________________ gas supports burning.

• Nitrogen

• Helium

• Oxygen