What is the part of the experiment that is left alone or “natural", and is used to compare back to?

• Independent Variable
• Dependent Variable
• Control Group
• Experimental Group 

Which of the following would be considered quantitative data?

• Color
• Smell
• 6.84 cm
• texture

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Explaining the color of a chemical would be what kind of observation?

• Qualitative 
• Quanitative

You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-5

What is a factor that changes because of what the experimenter does?

• Dependent Variable
• Independent Variable
• Control Group
• Hypothesis

Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the DEPENDENT variable

• Amount of water

• Height of Ice cube

• Temperature the ice cube was at its highest height

• Size of the ice cube

Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. Identify the DEPENDENT variable

• 3mm holes

• Distant water traveled out of carton

• Different heights of the holes in the container

• Ice water from Iceland

What skill is a scientist using when she listens to the sounds that an elephant makes?

• drawing conclusions
• making observations
• interpreting data
• making a hypothesis

Tags

NGSS.MS-LS1-8

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

• the male alligators
• the incubator
• the gender of the alligator
• the temperature

Tags

NGSS.MS-LS1-5

When you decide whether or not the data supports the original hypothesis, you are

• drawing conclusions
• forming a hypothesis
• asking questions
• making observations

Tags

NGSS.HS-PS2-1