Crossword Puzzle

Crossword Puzzle
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This document is a crossword puzzle for 4th grade science. It covers topics such as plants (mainly trees and flowers).

2. Layers of wood in a tree that tell its age
(annual rings)
3. The __ contains many undeveloped seeds
(pist il)
4 . The ___ attracts pollinators (pet als)
8. part of the seed which is the new plant
10. The ___ is a covering that protects the seed
until it sprouts (seed coat )
12. The fruit produced by the oak tree is an ___.
14 . a tree which produces cones instead of
flowers (conifer)
16. A ___ plant is any plant that grows where it is
not wanted (weed)
18. The three groups of trees are needle-leaf,
broad-leaf, and __. (palm)

Acro ss
1. to sprout (germinat e)
5. The _____ protects the buds (sepal)
6. to move pollen from the stamens to the pistil
(fert ilize)
7. The green coloring matter in green plants that
enables them to make food is called ___.
9. All living things depend on ___________
__________ for food. (green plant s)
11. Most seeds ripen and are carried away from
the parent plant in the __ (season). (fall)
13. a tree that loses all its leaves each year
15. Plants put ___ back into the air for man to
breathe. (oxygen)
17. This part of a tree includes the leaves,
branches, and twigs (crown)
19. The ___ makes the pollen (st amen)
20. alive but not growing (dormant )
Total Pages
1 page
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