Scientific Method

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

Testing a hypothesis often involves a(n):

• answer
• experiment
• problem
• safety check

Tags

NGSS.3-5-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

Tags

NGSS.3-5-ETS1-3

Observations made during an experiment are called:

• data
• problems
• conclusions
• questions

Tags

NGSS.5-PS1-3

On what axis should the independent variable always be?

• X
• Y

Tags

NGSS.MS-PS3-1

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables(AKA constants)?

• Type of plant, amount of music, and sunlight

• Water, apple juice, milk

• Plant growth

• Jazz music, country music, or rock-n-roll music

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

Tags

NGSS.MS-LS2-1

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

Tags

NGSS.MS-ESS2-5

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

• dependent variable
• independent variable
• data
• control group

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.

• Research of other scientists work.