What are the two types of observations in the scientific method?

• Qualitative and Quantitative

• Independent and Dependent

• Control and Experimental

• Adhesion and Cohesion

What is the role of a control group in a controlled experiment?

• It receives the independent variable.

• It is used to compare results.

• It measures the dependent variable.

• It changes the hypothesis.

What is the chemical formula of water?

• H2O2

• H2O

• CO2

• O2

Tags

NGSS.MS-PS1-1

What type of bond holds water molecules together?

• Ionic bonds

• Covalent bonds

• Hydrogen bonds

• Metallic bonds

What happens when water sticks to other surfaces?

• Cohesion

• Adhesion

• Evaporation

• Condensation

What is the pH of a neutral substance?

• 0

• 7

• 14

• 10

Which macromolecule is primarily used for energy in living organisms?

• Lipids

• Proteins

• Carbohydrates

• Nucleic Acids

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What is the most important sugar in carbohydrates?

• Fructose

• Sucrose

• Glucose

• Lactose

Which macromolecule is responsible for speeding up chemical reactions?

• Lipids

• Proteins

• Carbohydrates

• Nucleic Acids

What are the building blocks of proteins?

• Monosaccharides

• Fatty acids

• Amino acids

• Nucleotides

Tags

NGSS.HS-LS1-6