Scientific Method Review

What is an observation?

• A description using your five senses.

• A good guess about the experiment.

• Gathering information about the experiment.

Tags

NGSS.5-PS1-3

The variable being tested and measured (the effect)

• Quantitative

• Independent Variable

• Dependent Variable

• Qualitative

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

A variable that is changed (the cause)

• Quantitative

• Independent Variable

• Dependent Variable

• Qualitative

Tags

NGSS.MS-PS2-2

A prediction can be written using "If ___, then ___."

• true

• false

Tags

NGSS.MS-LS2-2

What is the dependent variable in the following hypothesis?

HYPOTHESIS:  If I add fertilizer to my flowers, then the flowers will grow taller.

• Amount of Fertilizer added

• Height of the Plant

• Amount of time the flowers bloom

• Number of flowers on each bloom

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Elin is conducting a scientific investigation in which she measures a certain type of plant's growth in response to different amounts of fertilizer.  What is the independent variable?

• type of plant

• amount of fertilizer

• plant growth

• temperature of fertilizer

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-LS1-5

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?

• Type of plant, amount of music, and sunlight
• Water, apple juice, milk
• Plant growth

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 is the dependent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

Tags

NGSS.MS-PS3-5