Elements of Life

Name the element that makes up most of the mass/ body weight of a living thing.

• Carbon

• Hydrogen

• Nitrogen

• Oxygen

Tags

NGSS.MS-PS1-1

This element makes up 78% of the earth's atmosphere, but animals cannot get it from the air. Animals must eat other organisms to get this element.

• Nitrogen

• Oxygen

• Phosphorus

• Sulfur

Which elements are found in ALL organic molecules?

• Nitrogen and Oxygen

• Sulfur and Phosphorus

• Carbon and Hydrogen

• Carbon and Sulfur

Tags

NGSS.HS-LS1-6

Sulfur can be found in which of the following molecules?

• proteins

• carbohydrates

• DNA

• lipids

Phosphorus can be found in which of the following molecules?

• proteins

• DNA

• water

• enzymes

Name the element that is the most abundant (greatest number of atoms) in a living thing.

• Hydrogen

• Sulfur

• Nitrogen

• Phosphorus

Tags

NGSS.MS-PS1-1

Which element is necessary for aerobic respiration?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

This element uses 4 covalent bonds to form long chains which is the "backbone" for ALL organic molecules.

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

Tags

NGSS.MS-PS1-1

These two elements are needed to form water, the most common molecules in living things.

• Carbon and Oxygen

• Hydrogen and Oxygen

• Nitrogen and Phosphorus

• Sulfur and Carbon

Tags

NGSS.MS-PS1-1

This element is needed so that red blood cells can carry oxygen to all parts of the body.

• Calcium

• Zinc

• Sodium

• Iron