1.
What term describes substances that enter a chemical reaction?
2.
What term describes substances produced by a chemical reaction?
3.
What weak attraction bond forms between different water molecules?
4.
What property describes water molecules sticking to each other?
5.
What property describes water sticking to other surfaces, such as glass or plant cell walls?
6.
What term describes substances that dissolve easily in water?
7.
What term describes substances that do not dissolve in water, such as oils?
8.
Which property of water explains why ice floats, allowing aquatic life to survive in winter? Lower ___
9.
Which property of water explains why sweating cools the human body? High heat of ___
10.
What kind of substance releases hydrogen ions (H⁺) in solution?
11.
What kind of substance accepts hydrogen ions or releases hydroxide ions (OH⁻)?
12.
What type of substance minimizes changes in pH by donating or accepting H⁺?
13.
What small molecular units join together to form polymers?
14.
What large molecules are made of repeating monomer units?
15.
What reaction breaks polymers into monomers using water?
16.
What class of macromolecules is generally hydrophobic and includes fats and oils?
17.
What lipid forms the main structure of cell membranes?
18.
Which polysaccharide stores energy in plants?
19.
Which polysaccharide stores energy in animals?
20.
Which polysaccharide provides structural support in plant cell walls?
