AFCT General Science Concepts 2

Question 1

What is the primary function of white blood cells in the human body?

Accepted Answer

Fight infections

Answer

Transport oxygen

Answer

Clot blood

Answer

Produce hormones

Question 2

What is the chemical formula for table salt?

Accepted Answer

NaCl

Answer

NaOH

Answer

KCl

Answer

CaCO3

Question 3

Which planet in our solar system has the most moons?

Accepted Answer

Saturn

Answer

Jupiter

Answer

Uranus

Answer

Neptune

Question 4

What type of energy transformation occurs when a battery powers a flashlight?

Accepted Answer

Chemical to electrical to light

Answer

Kinetic to potential

Answer

Nuclear to thermal

Answer

Mechanical to electrical

Question 5

What is the function of the ozone layer in Earth's atmosphere?

Accepted Answer

Blocks harmful ultraviolet radiation

Answer

Produces oxygen for breathing

Answer

Regulates global temperatures

Answer

Creates weather patterns

Question 6

Which of the following is an example of a chemical change?

Accepted Answer

Iron rusting

Answer

Ice melting into water

Answer

Cutting paper with scissors

Answer

Dissolving sugar in water