Science Test Form 1
10 Questions
| Total Attempts: 14600
I hope you can do it. . . Good luck!
Questions and Answers
- 1.The percentage of oxygen present in the air is 21 percent.
- A.
Right
- B.
Wrong
- 2.Oxygen can be identified by
- A.
Passing it through lime water
- B.
Using a glowing wooden splinter
- C.
Putting a moist blue litmus paper into it
- D.
Passing it through bicarbonate indicator
- 3.During photosynthesis green plants give out
- A.
Oxygen
- B.
Nitrogen
- C.
Hydrogen
- D.
Carbon dioxide
- 4.
- A.
Skin cancer
- B.
Low visibility
- C.
Breathing dificulties
- D.
Stronger immunity system
- 5.The energy that occurs in an electric kettle is
- A.
Electric ->heat
- B.
Potential->kinetic
- C.
Electric->kinetic
- D.
Chemical->electrical
- 6.The energy that makes water evaporate and form clouds is
- A.
Heat energy
- B.
Sound energy
- C.
Nuclear energy
- D.
Hydroelectrical energy
- 7.Lime water turns cloudy in the presents of ________
- 8._______ignites a glowing wooden splinter
- 9.Carbon dioxide is an ________gas
- 10.Oxygen is a ___.
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