What is Science Unit 1

When you are gathering information using your senses and other tools, you are making a(n)

• observation

• inference

• hypothesis

• conclusion

A statement that attempts to explain your observations is

• An observation

• An inference

• A measurement

• A problem statement

A type of observation which involves measuring and numbers is:

• An inaccurate observation

• An inference

• A qualitative observation

• A quantitative observation

A scientific hypothesis must be:

• Correct.

• Able to be manipulated.

• Able to be controlled.

• Able to be tested.

Tags

NGSS.MS-PS2-2

Choose the best example of an observation.

• It must be time for lunch. Lots of students are walking towards the front of the school.

• 87 students chose cheese pizza for lunch.

• I wonder what's for dessert.

• The pizza must be hot, everyone is chugging their milk.

Before you conduct an experiment, you should:

• Chat with your friends.

• Read all the directions first.

• Practice mixing different chemicals.

• Ensure that all of your clothes are loose fitting.

Which of the following is only an observation?

• The piece of metal is red, so it must be hot.

• The street is wet, so it must have rained.

• The table looks like it is made of wood, so it must have come from a tree.

• The child's block is orange.

All of the following behaviors are unacceptable during a science lab EXCEPT

• Helping a group member clean up.

• Hitting your partner with a meter stick.

• Running to get supplies first.

• Visiting other lab groups to see how their lab is going.

Factors in an experiment that are intentionally changed by an experimenter (you) are known as:

• Controlled variables

• Observations

• Dependent variables

• Independent variables

Tags

NGSS.MS-PS2-2

Variables that respond to changes made intentionally by the experimenter (what is being tested) are called

• dependent variables

• independent variables

• manipulated variables

• controlled variables

Tags

NGSS.MS-PS2-2