6SCI-Q1-T1-Exploring the Nature of Science

Which of the following best defines a hypothesis in science?

• A proven fact

• An educated guess that can be tested

• A list of materials

• A scientific law

Tags

NGSS.MS-PS1-2

What is the first step in the scientific method?

• Drawing conclusions

• Making observations

• Conducting experiments

• Analyzing data

Which term describes information collected during an experiment?

• Data

• Theory

• Hypothesis

• Variable

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

What is a variable in a scientific experiment?

• A constant value

• Something that can change or be changed

• The conclusion

• The equipment used

Which of the following is an example of a scientific law?

• The theory of evolution

• Newton’s law of gravity

• The hypothesis of cell structure

• The process of photosynthesis

Tags

NGSS.HS-PS2-4

Why do scientists repeat experiments?

• To waste time

• To make sure results are reliable

• To change the hypothesis

• To use more materials

Which of the following best describes a scientific theory?

• A guess with no evidence

• A detailed explanation supported by evidence

• A single experiment

• A list of steps

If a scientist wants to test the effect of sunlight on plant growth, what is the independent variable?

• Amount of water

• Amount of sunlight

• Type of soil

• Height of the plant

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

Which of the following is the best example of using a model in science?

• Writing a report

• Creating a diagram of the solar system

• Reading a textbook

• Memorizing vocabulary

Tags

NGSS.MS-ETS1-4

NGSS.MS-LS1-2

NGSS.MS-PS1-1

A student wants to find out if salt affects the freezing point of water. Which would be the best way to test this?

• Freeze plain water and salty water, then compare temperatures

• Ask a friend for the answer

• Read about it in a book

• Guess the answer

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4