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25 votes
Can someone please help me ASAP???!!!

1. How does the field of science gain knowledge and understanding?(1 point)

A. by making value judgments

B. by using the latest technologies

C. through the testing of hypotheses

D. through deductive reasoning


2. In which situation should gloves be worn in the laboratory?(1 point)

A. when chemicals are being used

B. when recording data using a computer

C. when filling a beaker with water from the tap

D. when using a balance to determine mass


3. What should be done if acid is accidentally splashed on bare skin?

A. Oil should be placed on the site of contact.

B. Soap should be used to clean the area.

C. Lots of water should be flushed over the affected area.

D. A weak base should be applied to the area.


4. A student doing an experiment spilled some salt and sugar into the sink.

How should these substances be cleaned up?

A. Sweep them up with your bare hands.

B. Flush them with water down the drain.

C. Use a match to burn them away.

D. Drop a weak acid on them to break them up.


5. A teacher had her students write down hypotheses about an experiment. Which is a valid hypothesis?

A. All living organisms are made from at least one cell.

B.If Earthquakes occur, then tornados could occur at the same time.

C. Energy gets transferred among all the organisms of a food chain.

D. If people like the smell of burning wood, then they would not like the smell of gasoline.

Also if you happen to know the answers to the entire test that would be GREAT! Thx

User Yurowitz
by
2.8k points

1 Answer

25 votes
25 votes

Answer: The answers are:

Explanation:

1. C

2. A

3. C

4. B

5. D

User Mickey Mouse
by
3.1k points