Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Gr 4 Science Ch 3
Gr 4 Science Ch 3.1-3.3 Bold Terms
| Term | Definition |
|---|---|
| photosynthesis | the process by which green plants use the energy of sunlight to change water and carbon dioxide into sugars (for food) |
| chlorophyll | the green coloring matter that green plants use to manufacture their won food |
| carbon dioxide | a gas which green plants absorb from the air during photosynthesis |
| crown | the leaves and branches of trees. Leaves make teh food for the entire plant. You will also find flowers or fuit at certain times of the year. |
| trunk | the stem of a tree made of woody fiber, protected by a layer of bark |
| roots | the part of the tree below the ground that anchors the tree and absorbs water and minerals |
| annual rings | layers of wood showing the growth of a tree A new layer of wood grown each year; the age of the tree and the amount of rainfall of each year can be told by this. |
| needleleaf | having very narrow leaves that are needlelike or scalelike |
| evergreen | having green leaves all year |
| conifer | a tree that produces seeds in cones instead of flowers |
| broadleaf | having flat, broad leaves |
| deciduous | shedding leaves each year, usually in the fall; means falling down |
| acorns | the fruit of an oak tree |
| keys | the winged fruit of certain trees (such as maples) which contains a seed or seeds |
Created by:
mbrennan262
Popular Science sets