Chemistry of Life

Front

What is a compound?

Back

A compound is a combination of two or more elements.

Front

Which of the following is a function of carbohydrates?

Back

Carbohydrates provide structural support and quick energy.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What property of water allows a paperclip to float on top of the water?

Back

The property of water that allows a paperclip to float is surface tension.

Front

What property of water allows a water strider to stay on top of the water?

Back

The property of water that allows a water strider to stay on top is surface tension.

Front

What is the pH scale?

Back

The pH scale measures how acidic or basic a solution is, ranging from 0 (acidic) to 14 (basic).

Front

What are enzymes?

Back

Enzymes are biological catalysts that speed up chemical reactions in living organisms.

Front

What is the role of lipids in the body?

Back

Lipids store energy, provide insulation, and make up cell membranes.

Front

What is an atom?

Back

An atom is the basic unit of matter, consisting of protons, neutrons, and electrons.

Front

What is the difference between an ionic bond and a covalent bond?

Back

An ionic bond is formed by the transfer of electrons, while a covalent bond is formed by the sharing of electrons.