Question: What is an element

Answer: its properties cannot be broken down any further

Question: What is an electron

Answer: The negatively charged part of an atom

Question: What is a compound

Answer: water, for example

Question: What is the relationship between matter and atoms

Answer: Atoms are the basic units of matter

Question: Give two examples of substances that contain hydrocarbons

Answer: Petroleum products and wood smoke

Question: The characteristic that best defines a macromolecule is its

Answer: size

Question: All of the following macromolecules are polymers EXCEPT

Answer: lipids

Question: All of he following are part of carbohydrate EXCEPT

Answer: phosphorus

Question: Explain how macromolecules are involved in passing traits from parents to offspring

Answer: DNA and RNA

Question: Water molecules adhere to each other through covalent bonds

Answer: False, hydrogen