Fair test and variables

A fair test can be created using what three steps? (Choose three)

• Change only one thing

• Measure something

• Keep everything else the same

• Wearing a Scientist's coat

Tags

NGSS.3-5-ETS1-3

A variable is...

• Something that is always measured

• Something that can be changed

• Something that has to stay the same

Constants are...

• The one variable that is changed

• The variable that is measured

• The variables that need to be kept the same

What is the first thing that a scientist does?

• Experiment
• Hypothesis
• Ask a question
• Study

In an experiment, the hypothesis is...

• what the experiment shows you.

• what the scientist thinks that is going to happen.

• The conclusion.

• just a guess.

What is a method?

• a science book.
• a way to do things.
• a science instrument.
• a recipe.

Tags

NGSS.MS-ETS1-4

NGSS.MS-PS1-2

Which is the changed variable in this fair test?

• type of soil

• amount of soil

• number of seedlings

• size of pot

Cows Moo Softly stands for

• Change

  Many

  Shoes

• Change 1 thing

  Measure or Observe

  Same for everything else

• Chips

  Milkshakes

  Snag