Introduction

What is the scientific method?

• A systematic approach to research

• A type of scientific equipment

• A branch of biology

• A chemical reaction

Tags

NGSS.MS-PS1-2

Which of the following is a characteristic of living organisms?

• Ability to reproduce

• Inability to move

• Lack of response to stimuli

• Non-cellular structure

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

What is the primary purpose of a control group in an experiment?

• To provide a standard for comparison

• To introduce new variables

• To ensure the experiment is biased

• To increase the sample size

Which of the following is an example of a chemical change?

• Melting ice

• Burning wood

• Breaking glass

• Dissolving sugar in water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the basic unit of life?

• Atom

• Molecule

• Cell

• Organ

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following is a renewable energy source?

• Coal

• Natural gas

• Solar power

• Nuclear power

What is the role of chlorophyll in photosynthesis?

• Absorbs sunlight

• Produces oxygen

• Stores energy

• Breaks down glucose

Tags

NGSS.MS-LS1-6

Which of the following best describes an ecosystem?

• A community of organisms and their environment

• A single species in an area

• A group of similar cells

• A type of rock formation

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which of the following is a function of the human respiratory system?

• Transporting nutrients

• Exchanging gases

• Producing hormones

• Digesting food