Life Science Final Review

What is an educated guess in scientific terms, often starting with "If...then"?

• Theory

• Law

• Hypothesis

• Conclusion

What is the term for the variable that the experimenter changes intentionally in an experiment?

• Dependent variable

• Controlled variable

• Independent variable

• Constant variable

What is the name of the variable that is observed and changes in response to the independent variable?

• Controlled variable

• Independent variable

• Dependent variable

• Constant variable

Tags

NGSS.MS-LS1-5

How many variables are typically tested in a controlled experiment?

• One

• Two

• Three

• Four

Tags

NGSS.MS-PS2-2

What instrument is used to measure mass in a laboratory setting?

• Scale

• Triple beam balance

• Ruler

• Thermometer

What is the reading on the Triple beam balance shown in the image?

• 310.3 g

• 150.5 g

• 200.2 g

• 100.1 g

Which microscope was instrumental in the discovery of cells?

• Electron microscope

• Stereo microscope

• Compound light microscope

• Digital microscope

What laboratory tool is used for measuring precise volumes of liquids?

• Beaker

• Pipette

• Graduated cylinder

• Flask

Which of the following is NOT part of the Cell Theory?

• All living things are made up of cells

• Cells are the smallest units of life

• All cells contain DNA

• All cells come from preexisting cells

What type of cells lack a nucleus?

• Eukaryotes

• Prokaryotes

• Protist

• Fungi