Biology Review - Semester 1

Data that are qualitative are always-

• described in words
• represented in numbers
• repeated for verification
• the most accurate type of data

A small, living aquatic organism would best be observed using which of the following pieces of equipment?

• compound light microscope
• electronic balance
• scanning electron microscope
• centrifuge

Tags

NGSS.MS-LS1-1

A scientist is conducting research on mealworms. Which of the following pieces of equipment should be used by the scientist to determine the mass of each mealworm?

• electronic balance
• ruler
• graduated cylinder
• beaker

A hypothesis is-

• a possible explanation of an observation that can be tested
• a proven statement
• a conclusive statement
• a definite answer to a possible problem

Tags

NGSS.HS-LS1-3

NGSS.HS-PS1-2

The purpose of a controlled experiment is to allow a scientist to isolate and test-

• a single variable
• several variables
• many data
• a conclusion

The variable that is measured in the experiment is-

• the dependent variable
• the independent variable
• the control variable
• the hypothetical variable

Tags

NGSS.MS-PS3-4

What is the best measurement to use when determining the width of a fingernail?

• micrometer

• centimeter

• meter

• millimeter

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

A student wants to test the effects of type of exercise on heart rate.  What is the independent variable?

• type of exercise
• heart rate
• amount of time exercise occurs
• gender of person that exercises

According to the diagram, which question is being tested?

• Do plants grow taller when watered with salt water?
• How much fertilizer do plants need?
• Does fertilizer make plants grow taller?
• What is the best fertilizer to use?

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1