Scientific Method Quiz

What is the first step of the scientific method?

• Conduct an experiment

• Ask a question

• Form a hypothesis

• Analyze data

What is the purpose of forming a hypothesis?

• To prove a theory

• To provide a basis for experimentation

• To collect data

• To publish findings

In an experiment, what is a dependent variable?

• The factor that is changed

• The factor that is measured

• The constant factor

• The result that is compared

Which of the following describes an independent variable?

• The variable that is measured

• The variable that is manipulated

• The factor that remains unchanged

• The hypothesis being tested

You are conducting an experiment to test how different amounts of water affect plant growth. What is the dependent variable?

• Amount of water

• Type of plant

• Plant growth

• Soil type

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A researcher tests the effect of temperature on the speed of a chemical reaction. What is the independent variable?

• The speed of the reaction

• The type of chemical

• The temperature

• The time taken

Tags

NGSS.MS-PS1-4

Two students test the same hypothesis but get different results. What should they do?

• Ignore the differences

• Compare their methods and repeat the experiments

• Accept the first result

• Change the hypothesis

Tags

NGSS.HS-LS2-6

Why is repeating an experiment important?

• To ensure the hypothesis is correct

• To check for consistency in the results

• To publish the results faster

• To make changes to the hypothesis

Tags

NGSS.MS-LS1-5

In an experiment on how the amount of sleep affects memory, which is the independent variable?

• The amount of sleep

• The quality of memory

• The time of day

• The type of memory test

What is the role of a control group in an experiment?

• To show the results of the dependent variable

• To act as a comparison to the experimental group

• To prove the hypothesis

• To help change the independent variable