6 Science (BGK) 2081

What is the first step of the scientific study?

• hypothesis

• experiment

• observation

• explanation

Who is the scientist?

• those who conduct scientific research;
  

• 
  those who have fun in a science lab

• 
  those who read science books,

• none of them.

Who was the inventor of electronic bulbs?

• Sir Issac Newton

• 
  Charles Robert Darwin

• James Watt

• Thomas Alva Edison

We should always be_ _ _ _ when we work in the science lab.

• careless

• careful

• interested

• busy

We should stick to the .......... of science lab.

• rules and regulation

• ideas

• concept

• demand

Who explained the concept of gravity for the first time?

• Sir Isaac Newton

• Charles Robert Darwin

• John Dalton

• Thomas Alva Edison

Who invented steam engine?

• Sir Isaac Newton

• Charles Robert Darwin

• James Watt

• Thomas Alva Edison

In the lab, you should never ........ chemicals.

• taste

• touch

• smell

• all of the above

Helping to clean up the lab or classroom is the job of

• old students

• transfer students

• each and every student

• only the teacher

_____play an important role in the observation.