NTN Science 2

Question 1

What is Newton's First Law of Motion commonly called?

Accepted Answer

Law of Inertia

Answer

Newton's First Law states that an object in motion stays in motion and an object at rest stays at rest unless acted upon by an external force—known as inertia.

Question 2

In a scientific experiment, the 'control group' is used to:

Accepted Answer

Provide a baseline for comparison with no experimental variable applied

Answer

The control group receives no experimental treatment, serving as a baseline to measure the effect of the independent variable.

Question 3

Which of the following is a renewable energy source?

Accepted Answer

Solar power

Answer

Solar power is renewable because it relies on sunlight, which is a continuously available natural resource.

Question 4

What state of matter has a definite volume but no definite shape?

Accepted Answer

Liquid

Answer

Liquids have a definite volume but take the shape of their container, unlike solids (fixed shape) or gases (no fixed volume).

Question 5

Which of the following correctly identifies an example of chemical energy being converted to thermal energy?

Accepted Answer

Burning wood in a fireplace

Answer

Burning wood converts the chemical energy stored in wood into thermal (heat) energy.

NTN - National Testing Network Practice Test

NTN - National Testing Network Practice Test

NTN Science 2