What is Science?

Which of the following is/are branches of science?

• Physics

• Chemistry

• Biology

• Geology

• Astronomy

Which combination about branches of science is incorrect?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS2-3

NGSS.MS-LS1-1

We have two brands of tissue paper. We can do a fair test to find out which brand is stronger.

• True

• False

Which statement is incorrect?

• Making observations is always the first step of scientific investigations

• Scientists cannot explain why the universe exists

• Scientists are always curious about the things that happen around them

• All scientific discoveries are good, while scientific inventions can be harmful

Which of the following regarding scientific discoveries, inventions, and technology is correct?

• Scientists only make discoveries, while inventors make inventions.

• Genetically modified (GM) food is an example of a discovery.

• Discoveries can be used to develop technology.

• Magnetism is an example of an invention.

Which of the following correctly matches the scientist with his/her contributions?

• Nikola Tesla: Invention of electric cars

• Stephen Hawking: Theory of relativity

• Isaac Newton: Invention of the light bulb

• Marie Curie: Discovery of two radioactive elements

Which of the following correctly describes the nature of science?

• Scientific theories are facts and cannot be changed.

• Science is affected by society and culture.

• Science is limited by the technology and equipment available at the time.

• Science can be used to answer all questions.

• Scientists can make different conclusions based on the same set of data.

Which of the following is not an example of observation?

• Eggs are rich in proteins and are good for health.

• An egg sinks in tap water.

• An egg consists of three main parts: eggshell, egg white, and yolk.

• Eggshells can be brown in colour.

What hypothesis does this set-up investigate?

• Sugar powder dissolves faster in hot water than a sugar cube

• Sugar dissolves faster in hot water than in hot tea

• More water can make sugar dissolve faster

• Sugar dissolves faster in hot water than in cold water

Scientists ask questions, suggest answers, and __________ to test their answers.

• make conclusions

• suggest hypotheses

• make guesses

• perform experiments