TCAP Science

Question 1

What is the function of mitochondria in a cell?

Accepted Answer

To produce energy (ATP) through cellular respiration

Answer

To store genetic information

Answer

To control what enters and exits the cell

Answer

To produce proteins

Question 2

Which layer of the Earth is composed of liquid iron and nickel?

Accepted Answer

Outer core

Answer

Inner core

Answer

Mantle

Answer

Crust

Question 3

What is Newton's Third Law of Motion?

Accepted Answer

For every action, there is an equal and opposite reaction

Answer

An object at rest stays at rest unless acted upon by a force

Answer

Force equals mass times acceleration

Answer

Energy cannot be created or destroyed

Question 4

What process do plants use to convert sunlight into chemical energy?

Accepted Answer

Photosynthesis

Answer

Cellular respiration

Answer

Fermentation

Answer

Transpiration

Question 5

What is the difference between a chemical change and a physical change?

Accepted Answer

A chemical change creates new substances; a physical change does not

Answer

A physical change is irreversible; a chemical change is reversible

Answer

Chemical changes involve only temperature changes

Answer

Physical changes always produce gas

Question 6

What is the role of DNA in living organisms?

Accepted Answer

To carry genetic instructions for development and functioning

Answer

To provide energy for cellular processes

Answer

To protect cells from external damage

Answer

To transport nutrients throughout the body