BIO A Unit 2 Review

Which of these can change when new evidence is presented?

• theory

• law

Tags

NGSS.HS-PS4-3

Scientific theories are based on

• general assumptions of how systems work.
• mathematical principles that can be proven true.
• large amounts of data collected over time.
• observations from within only one scientific discipline.

Tags

NGSS.HS-LS4-1

Choose the correct hypothesis for "What effect does studying have on your test grade?"

• IF I study for hours, THEN my test grade will be better.

• IF I have a good test grade, THEN I will study.

• Good grades are from studying.

Choose the correct hypothesis for "How will exercising affect your health?"

• IF you have better health, THEN you will exercise.

• IF you exercise, THEN you will have better health.

• Exercising means you're healthy.

What two words should be in your hypothesis?

• I think

• If ...then...

• It will

• No idea

Personal protective equipment includes:

• goggles, gloves, and aprons
• fire extinguisher, goggles, and gloves
• triple beam balances, fire extinguishers, and safety blanket 
• eye wash station, safety shower, and goggles

Recorded observations or measurements are called:

• Scientific Method

• Data

• Variables

• Insurance

Which of the following best describes an independent variable?

• It is the variable that you measure.

• It is the variable that stays the same.

• It is the variable that you change on purpose.

Which of the following best describes a dependent variable?

• It is the variable that you measure.

• It is the variable that stays the same.

• It is the variable that you change on purpose.

A group of high school students are conducting a scientific investigation in their biology class to study the effect of different types of fertilizer on the growth of tomato plants.

Which of the following is the independent variable?

• growth of the tomato plants

• the type of fertilizer