The seed coat, is the outer covering of the seed.
(A) True (B) False
Plants use energy from the sun to make food. This is when light changes to energy.
(A) mechanical (B) chemical
Click here for more worksheets
Shocks, lightning, or wires in the house is called energy. An example would be getting shocked from touching a metal doorknob.
(A) Chemical energy (B) light
(19)–A; (20)–B; (21)–B