Unit 1 Lesson 2 Scientific Knowledge

What might a Scientist be doing with the tools shown below?

• Observing the stars

• Lab work with cells

• Measuring mass of a substance

• Identifying a new hypothesis

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

A good scientific theory is often ________ with new evidence but it is rarely discarded.

• modified

• kept the same

• thrown out

• identified

Scientists don't claim to _____________ the theory.

• prove

• modify

• answer

• identify

Scientists just claim that the reuslts ________ a theory.

• Change

• Modify

• Identify

• Support

Tags

NGSS.HS-ESS1-2

Why do scientists claim to offer only supporting evidence for a theory and not proof?

• There could be evidence that has not yet been discovered.

• They are always right the first time.

• They are unsure.

• There could be alternative explanations.

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NGSS.MS-LS1-5

An explanation in science that has a lot of evidence to back it up is a Scientific ___________.

• Hypothesis

• Theory

• Law

• Idea

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NGSS.MS-LS4-4

Scientists never say a theory is proven or not. They only say if the evidence ____________ or ___________ it.

• Supports; does not support

• Supports; does support

• Sounds correct; supports

• Supports; sounds correct

Tags

NGSS.MS-PS2-4

Choose all choices that are types of Scientific investigations...

• Fieldwork

• Horoscopes

• Experiments in a lab

• Fortune Telling

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

Choose all tools that you would use if observing birds in your neighborhood.

• Binoculars

• Bird Call

• Video Recording Device

• Notebook

Select all tools you may use in a laboratory...

• Microscope

• Beakers

• Rulers

• Scales