Scientific Knowledge and Practices

These describe a natural phenomenon or relationship that always occurs under specific conditions

• theory

• law

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

NGSS.HS-PS3-4

At the end of an investigation, what should you do if you conclude that your results do not support your hypothesis?

• Buy new measurement tools.

• Repeat your investigation, and then change your hypothesis if necessary.

• Change the topic you are studying.

Tags

NGSS.MS-PS2-5

Which is the best definition of science?

• The process of memorizing answers about the natural world.

• The process of gathering knowledge about the natural world.

• The process of reading the knowledge of the known world.

What is an independent variable?

• what you measure in the experiment and what is affected during the experiment

• The variable that is changed in order to test the hypothesis

• The factors that stay the same in all parts of the experiment.

Tags

NGSS.MS-PS2-2

What are scientific methods?

• The steps scientists use to answer questions and solve problems.

• The steps scientists use to look up the answers to questions.

• The steps scientists use to ensure a hypothesis is supported.

Tags

NGSS.MS-LS1-5

Which tools can be used for collecting and analyzing data in science?

• meterstick, stopwatch, balance, computer

• scanner, computer, printer, speakers

• scissors, calculator, stapler, envelope

Tags

NGSS.MS-PS1-2

In science, what is a scientific theory?

• An explanation for many questions and answers.

• An explanation for many hypotheses and observations.

• The best idea to explain a hypothesis.

What is a dependent value?

• what you measure in the experiment and what is affected during the experiment

• The variable that is changed in order to test the hypothesis

• The factors that stay the same in all parts of the experiment.

Tags

NGSS.MS-PS2-2

Before asking questions, what is a scientist likely to do?

• make answers that work

• make observations

• make necessary arrangements

At the end of an experiment, after analyzing your results, what must you draw?

• A picture

• A conclusion

• A chart

Tags

NGSS.MS-LS1-5