Unit 2 Energy and Matter in Ecosystems

Unit 2 Energy and Matter in Ecosystems

Open Ended

Where do you think trees gain their mass? How do they go from a tiny acorn, to a great big oak tree?

Multiple Choice

What invisible molecule did Priestly discover with this experiment?

• carbon dioxide

• oxygen

• methane

• glucose

Fill in the Blank

Plants use photosynthesis to create energy in the form of _.

Multiple Choice

Which type of electromagnetic radiation is the most harmful?

• x rays

• radio waves

• gamma rays

• ultraviolet