7th Grade Science CFB Spring Final Review

In order to prevent bone and muscle loss while in space, astronauts must ___________.

• wear a space suit
• wear an oxygen mask
• exercise daily
• sleep 8 hours a day

Which scientist launched the first liquid fueled rocket in 1926?

• Gagarin
• Aldrin
• Goddard
• Einstein

Which type of organisms convert sunlight, water, and carbon dioxide into sugar and oxygen?

• carnivores
• herbivores
• ominivores
• producers

Which is an example of a producer?

• grass
• dog
• tiger
• fly

Which is an example of a consumer?

• flowers
• grass
• cow
• tree

What energy conversion happens during photosynthesis?

• thermal to mechanical
• mechanical to chemical
• radiant to mechanical
• radiant to chemical

What happens to the radiant energy in photosynthesis?

• it is destroyed
• it is converted to mechanical energy
• it is converted to chemical energy
• it is absorbed by the carbon dioxide

What gas is needed by humans to survive AND given off as a waste product (produced) by plants?

• oxygen
• nitrogen
• carbon dioxide
• helium

Where does photosynthesis occur?

• leaves
• roots
• stem
• seeds

What do consumers eat?

• producers or other consumers
• nothing, they produce their own food
• only hamburgers
• only sonic chili cheese dogs