Scientific Process

Scientific questions have to be...

• Measurable 
• Easy
• Interesting

Tags

NGSS.MS-PS2-2

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.

True or False: Your hypothesis can never be wrong.

• True
• False

Tags

NGSS.HS-PS1-2

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

Testing a hypothesis often involves a(n):

• answer
• experiment
• problem
• safety check

Tags

NGSS.MS-ETS1-3

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

Which describes the experimental variable that you CHANGE on purpose to see what happens?

• responding/dependent

• control variable

• experimental results

• manipulated/independent

For you to have GOOD data, how many independent/manipulated variables should you have in your experiment?

• zero

• one

• three

• infinite number

Tags

NGSS.MS-PS2-2

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound