SCIENCE CHAPTER 1

Belows are examples of natural phenomena EXCEPT

• flash floods

• rainbows

• volcanic eruptions

• car movement

• occurence of day and night

For containing small amount of chemicals or mixing solutions.

• Boiling tubes

• Beaker

• Glass jar

• Test tube

The above hazard symbol means ......

• explosive

• flammable

• toxic or poisonous

• corrosive

Tags

NGSS.MS-PS1-2

If you see above symbol, beware of materials that can

• release fume that can hurt eyes, nose and throat.

• cause harmful radiation.

• cause poisoning and death if swallowed

• easily expolde.

What you should do if someone inhaled toxic gas?

• Hold under running water

• Spit out immediately

• Move away from the gas for fresh air

• Flush eyes vigorously with water

The usage of S.I is to AVOID

• confusion and misunderstanding

• accuracy

• communication

........................... is a measure of how hot or cold an object is.

• Length

• Time

• Mass

• Temperature

Which of the following represents the prefix value of kilo?

• 10

• 100

• 1000

• 1000 000

The following information shows the steps involved in a scientific investigation

J : making an observation

K : Making a conclusion

L : analysing data

M : collecting data

Which of the following is the correct step in the scientific investigation?

• J, M, K, L

• J, M, L, K

• M, J, K, L

• M, J, L, K

Which of the following is a science-related career?

• Pilot

• Lawyer

• Firemen

• Geologist