Question 1

Which of these questions is testable in a scientific investigation?

Accepted Answer

Are plastics more toxic than wood when burned?

Answer

Does a red rose smell better than a pink rose?

Answer

Is science a better subject to study than foreign language?

Answer

Are mountains more beautiful than oceans?

Question 2

What do we mean by “evidence” in a scientific inquiry?

Accepted Answer

It is observations or the results of experiments.

Answer

It is information acquired from older people.

Answer

It is variables we measure in an experiment.

Answer

It is information acquired through personal experience.

Question 3

The term that refers to surfaces that repel water and are non-polar is____________.

Accepted Answer

hydrophobic

Answer

hydrostatic

Answer

hydroacidic

Answer

hydrophilic

Question 4

A nanometer is equal to________________.

Accepted Answer

1/1,000,000,000 meter

Answer

1/100 meter

Answer

1/1000 meter

Answer

1/1,000,000 meter

Question 5

Which of the following is an example of a hydrophyllic substance?

Accepted Answer

Tissue Paper

Answer

Oil

Answer

Fats

Answer

The surface of a Lotus leaf (Water Lily)

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