Atoms Elements Molecules

Question 1

What are all things made of living or not ?

Answer 1

Matter

Question 2

Which are the most abundant Elements which make up the human body? (4)

Answer 2

Oxygen
Carbon
Hydrogen
Nitrogen

Question 3

Definition of Elements

Answer 3

A substance made entirely of a single type of atom. These form molecules. (What you see in periodic table)

Question 4

Elements are Components of the energy sources….. (6)

Answer 4

Carbohydrates 
Fat
Protein
Water
Vitamins
Minerals

Question 5

Bioenergetics definition

Answer 5

The study of the transformation of energy in living organisms

Question 6

What are Atoms?

Answer 6

The smallest ‘building block’ of life that consists of: protons, electrons and neutrons. (Each element is made up from atoms)

Question 7

In our bodies atoms exist how?

Answer 7

Not only in free form, but join with other atoms of the same element to form molecules.

Question 8

What is a Molecule?

Answer 8

A combination of atoms that form the smallest particle of a substance that can take place in a chemical reaction. (Molecules from the same type of element)

Question 9

Compound

Answer 9

A substance which is made up of atoms of 2 or more DIFFERENT elements

Question 10

What are
O
O2
H2O

(2s are meant to be little)

Answer 10

O = element (oxygen)
O2 = molecule (2 oxygens joint)
H2O = compound (2 oxygens with hydrogen)

Question 11

Name 3 important compounds that are also known as the macronutrients ??

Answer 11

Carbohydrates
Fats
Proteins

Used in biochemical processes to provide our muscles with energy to exercise