Nature of Science

One of the main differences between a Scientific Law and Scientific Theory are that Theories can change over time. Laws cannot change.

• False

• True

Which statement is true about both scientific laws and scientific theories?

• Both explain why natural phenomena occur

• Both are based on repeated experimental evidence

• Both are unchangeable and never revised

• Both are guesses without any data

Which one of these is a Lab Safety rule?

• You can eat in the lab

• You should wear goggles and an apron when working with chemicals.

• You can dump leftover chemicals down the sink

• Always pick up glass with your hands.

During the lab it is okay to

• Have a snack
• Drink in lab
• Taste chemicals
• None of the above

List the steps of the scientific method

d

e

f

c

b

a

Draw conclusions

Form a hypothesis

Analyze results

Ask a question

Conduct experiment

Communicate results

Before gathering any data, scientists make a prediction, called a ​ (a)   , which is what they expect they will see.

• question
• hypothesis
• test/investigate/experiment
• analysis
• conclusion
• communication

The scientific method starts with a ​ (a)   that someone wants an answer to.

• question
• hypothesis
• test/investigate/experiment
• analysis
• conclusion
• communication

A scientist will​ (a)   to gather data and evidence.

• question
• hypothesis
• test/investigate/experiment
• analysis
• conclusion
• communication

Tags

NGSS.MS-LS1-1

Which variable is the one the scientist has to change?

• Constant (Control)

• dependent

• Independent

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Is this a good hypothesis?

If students read over their science notes every day then their test scores will go up .

• Yes

• No