Scientific Method

Which of the following is an inference that could be made here?

• There is a wet floor sign

• There are notebooks and paper on the floor

• The man slipped on the wet floor

• The man is wearing a tie

Anything you can see, hear, smell, taste, or touch is called a(n)

• observation

• inference

• variable

• theory

Tags

NGSS.MS-LS1-8

To find the most current and reliable information about a topic, the BEST source would be...

• A local news story

• A textbook

• A scientific journal

• Wikipedia

A student's experiment showed that earthworms moved away from light. This statement should be classified as

• an inference

• a hypothesis

• a prediction

• a conclusion

Tags

NGSS.MS-LS1-4

Which question cannot be answered scientifically, because the quantity cannot actually be measured?

• How much food does a water buffalo consume in one day?

• How heavy is a mature female elephant?

• How fast can a tiger swallowtail butterfly fly?

• How happy is a chimpanzee when it finds its favorite food?

The statement "the worm is 2cm long" is a(n)

• quantitative observation

• qualitative observation

• inference

• hypothesis

The term "spontaneous generation" means that

• living things can come from non-living things

• living things come from other living things

• a maggot is part of the life cycle of a fly

• living things evolve over time

Which statement about a controlled experiment is true?

• all the variables must be kept the same

• only one variable is tested at a time

• controlled experiments cannot be done on living things

• many variables are tested at a time

A scientific theory is

• another word for a hypothesis

• a well tested explanation of observations

• the same as a conclusion

• the first step in a controlled experiment

Tags

NGSS.HS-LS4-1

Which of the following is the best definition of a hypothesis?

• Information gathered from observations

• The results of an experiment

• The part of the experiment that you change

• A proposed explanation for a set of observations