Unit 1 | Nature of Science and Chemistry of Biology | Review

If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?

• increase the amount of iron in your blood
• spinach you eat

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

What is a factor that the experimenter has full control over and changes to see what happens?

• Dependent Variable
• Independent Variable
• Control group 
• Hypothesis

Tags

NGSS.MS-PS2-2

These are variables that are kept the same throughout all experimental groups to prevent error in the experiment.

• Independent Variable

• Dependent Variable

• Controlled Variable

• Varying Variable

Which of these explain how a natural phenomenon works or happens?

• theory

• law

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-PS1-2

Which of these describes a natural phenomenon or relationship that always occurs under specific conditions

• theory

• law

Tags

NGSS.MS-PS1-5

NGSS.MS-PS2-4

Scientists create both scientific theories and scientific laws as they make observations and conduct experiments about the natural world. Which of the following statements most accurately compares the difference between scientific theories and scientific laws

• science laws are based on evidence while science theories are not

• science theories involve only biology, while laws involve all types of science

• science theories involve mathematical equations, while science laws are based on observations

• science theories are ideas that explain natural events, while science laws predict what will happen in a natural event.

What is the most basic unit of life?

• cell
• tissue
• organ
• organ system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

The scientific name for something living is a(an)

• organism
• cell
• tissue
• human

An organism made of one cell is called

• unicellular
• multicellular

Tags

NGSS.MS-LS1-1