Matter & Energy - Janet Greenwood

Select the truths.

• Some matter can not be seen

• Matter has mass and takes up space

• Matter includes all gases like oxygen, hydrogen, helium, etc.

• Ice water will weigh less when it thaws out and becomes liquid

Select the truth about the equation below:

H₂O

• These are the molecules for Carbon Dioxide

• These are the molecules for water

• This molecule has 2 oxygens and 1 hydrogen

• This molecule has 1 oxygens and 2 hydrogen

Choose the two words that complete the sentence

"mass can neither be ______ nor ______ by chemical reactions or physical transformations."

• solid

• destroyed

• unchanged

• created

Select the truths about photosynthesis:

• The products created are glucose (sugar) and oxygen

• The products created are carbon dioxide and oxygen

• light energy helps plants create their own food

• Photosynthis is the opposite of respiration

Select the truths about consumers:

• When animals eat plants, their bodies use the stored chemical energy from the plants.

• consumers get the food they need by producing it with the sun's energy

• We use energy to keep our bodies warm, heal is we are sick, grow, move and much more

• Bodies use nutrients in food molecules to make new cells which repair and grow.

Select the truths about mass/matter:

• Water loses mass when it transforms into ice.

• Matter can appear or disappear in our universe.

• Matter cycles through the universe.

• Ice, liquid water, and water vapor all have the same chemical composition.

Select the truths.

• After a chemical change, the amount of mass remains the same.

• After a physical change, the amount of mass remains the same

• The water we drink was around billions of years ago

• During a physical change, matter can change form/shape.

Choose all of the producers

• mice

• grass

• wheat

• cow

A carnavore eats...

• plants

• plants and animals

• animals

• only other carnavores

A producer eats...

• plants and animals

• animals only

• nothing. It makes it's own food

• plants only