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Worksheets3Q AT Review in Science
Total questions: 25
Worksheet time: 8mins
1. It happens when pollen grains transfer from the stamen to the stigma, which is on top of the pistil.
A. Pollination
B. Fertilization
C. Germination
2. Beans is an example of _____________
A. Dicot
B. Monocot
3. The growth process of seeds into tiny plants
A. Pollination
B. Fertilization
C. Germination
4. Green peas is an example of _____________
A. Dicot
B. Monocot
5. It occurs as sperm from the pollen grain meets an ovule.
A. Pollination
B. Fertilization
C. Germination
Directions: Read each statement carefully. Tell whether the statement is TRUE or FALSE
6. Monocots are plants with two seed leaves.
(a)
Directions: Read each statement carefully. Tell whether the statement is TRUE or FALSE.
7. We can produce more trees if we continue doing the illegal logging.
(a)
Directions: Read each statement carefully. Tell whether the statement is TRUE or FALSE.
8. Dicots are plants with one seed leaf.
(a)
Directions: Read each statement carefully. Tell whether the statement is TRUE or FALSE.
9. Abuse the natural resources.
(a)
Directions: Read each statement carefully. Tell whether the statement is TRUE or FALSE.
10. Flowering plants can be grouped according to the number of seed leaves.
(a)
11. What is the chemical symbol of Mercury?
A. Ca
B. Cr
C. Hg
D. H
12. What is the meaning of this chemical symbol "Na"?
A. Sodium
B. Nitrogen
C. Iron
D. Zinc
13. What is the chemical symbol of potassium?
A. Ag
B.Fe
C. Kr
D.K
14. What is the chemical symbol of calcium?
A. Ca
B. C
C. Cal
D. Calm
15. What is the meaning of this chemical symbol "Fe"?
A. Zinc
B. Calcium
C. Iron
D. Hydrogen
16. Particles with no charge.
(a)
17. He is French Chemist, who identified 23 pure substances.
(a)
18. These are substances (materials) which are made up all the same kind of atom.
(a)
19. Anything that takes up space and has mass.
(a)
20. Tiny bits of matter that are too small to see with the naked eye.
(a)
Determine if the following change is physical or chemical change.
21. Melting a chocolate
(a)
Determine if the following change is physical or chemical change.
22. Lighting a match
(a)
Determine if the following change is physical or chemical change.
23. Decomposition
(a)
Determine if the following change is physical or chemical change.
24. Crushing a can
(a)
Determine if the following change is physical or chemical change.
25. Ripening of a banana
(a)
