Scientific Process Skills

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

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

How does the amount of fertilizer affect the height of a plant? The independent variable is

• the height of the plant

• the amount of fertilizer

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Something that stays the SAME throughout an experiment is called a...

• Independent variable

• Dependent variable

• Controlled variable

Using one or more of your senses to gather information about the world

• science

• inference

• observing

• accurate observation

Tags

NGSS.1-PS4-1

NGSS.2-PS1-1

a description that does not include numbers

• qualitative observation

• quantitative observation

• subjective observation

• accurate observation

Answer explanation

Fun Fact: The rafflesia flower smells like rotting flesh. That is a QUALITATIVE observation.

a description that includes numbers

• hypothesis

• qualitative observation

• quantitative observation

• inference

Answer explanation

Fun fact: An ostrich egg weighs 3 pounds! That is a quaNtitative observation.

Choose the QUALITATIVE observations

• 35.6 seconds

• sharp edges

• five feet

• green leaves

• old bones

Answer explanation

Qualitative- NO numbers

True or false: An observation includes opinions and personal beliefs.

• true

• false

In an experiment, it is the thing you are changing or testing

• dependent variable

• independent variable