TerraNova Science 3

Question 1

Which type of energy is stored in food and released during digestion?

Accepted Answer

Chemical energy

Answer

Food stores chemical energy in molecular bonds, which is released when the body breaks it down.

Question 2

What is the powerhouse of the cell?

Accepted Answer

Mitochondria

Answer

Mitochondria produce ATP through cellular respiration, supplying energy to the cell.

Question 3

Which planet has the most moons in our solar system?

Accepted Answer

Saturn

Answer

Saturn has the most confirmed moons, recently surpassing Jupiter with over 140 known moons.

Question 4

What is the role of the roots in a plant?

Accepted Answer

Absorb water and nutrients from the soil

Answer

Roots anchor the plant and absorb water and dissolved minerals from the soil.

Question 5

What is the term for the process where a solid changes directly into a gas without passing through a liquid phase?

Accepted Answer

Sublimation

Answer

Sublimation occurs when a solid converts directly to gas, as seen with dry ice.

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