Life and Physical Sciences Flashcards

What is the function of mitochondria in a cell?

Answer: Producing energy (ATP) through cellular respiration

Mitochondria are the powerhouses of the cell, producing ATP through cellular respiration using oxygen and glucose.

What is Newton's Second Law of Motion?

Answer: Force equals mass times acceleration (F = ma)

Newton's Second Law states that the force acting on an object equals its mass multiplied by its acceleration (F = ma).

What is the process by which water vapour in the atmosphere cools and becomes liquid water?

Answer: Condensation

Condensation is the process by which water vapour cools and changes state from a gas to a liquid, forming clouds, fog, or dew.

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

Answer: Wood burning in a fire

Burning wood is a chemical change because combustion produces new substances (carbon dioxide, water, and ash) with different properties.

What is the difference between an element and a compound?

Answer: An element contains only one type of atom; a compound contains two or more different elements chemically bonded together

An element consists of only one type of atom and cannot be broken down into simpler substances; a compound is formed when two or more elements chemically combine.

Which type of rock is formed from cooled magma or lava?

Answer: Igneous

Igneous rock forms when magma (below ground) or lava (above ground) cools and solidifies.