Hypothesis Writing

What is a hypothesis?

• the thing changed on purpose in the experiment

• an explanation about what you observed

• using your 5 senses to gather data

• an educated guess about the outcome of an experiment

What THREE words should be in your hypothesis?

• I think that....

• If ...then... because...

• I predict... because...

• My hypothesis is....

What variable are you describing after the word IF

• independent variable

• dependent variable

Tags

NGSS.MS-PS2-2

What variable outcome do you describe after the word THEN?

• independent variable

• dependent variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

When is a hypothesis written?

• before you decide on a question

• after the experiment

• before the experiment

• after the conclusion

Choose the correctly written hypothesis for "What is the effect of putting cooking spray on the bottom of a sled?"

• I think the sled will slide faster because it will be greased.

• If I put cooking spray on the bottom of my sled, then I will win the race."

• If I put cooking spray on the bottom of my sled, then I will slide faster because the spray will make it slide faster on the snow.

• My hypothesis is that my sled will go fastest because it will be greased.

Which hypothesis is correctly written?

• I think I will do well on my test today, because I ate a good breakfast.

• I predict if I eat a good breakfast, then I will do well on my test today.

• If I eat a good breakfast, then I will earn a passing grade on my test today because my brain will have energy.

• I hypothesize that if I eat a good breakfast, then I'll do well on my test because I'll know more info.

A hypothesis is never wrong.

• True

• False

Make this hypothesis correctly written.

If ​ (a)   , then ​ (b)   because ​ (c)   .

• copper and aluminum are tested for conductivity
• copper will conduct the most amps
• copper moves free electrons easier and faster

Tags

NGSS.HS-PS2-5

Write a complete hypothesis to answer the following question:

Does black or white material absorb more heat and solar energy?

Tags

NGSS.MS-PS3-4