Review for Quiz

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 

• experimental group
• control group
• data
• variables

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

• dependent variable
• independent variable
• data
• control group

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.MS-PS1-2

On what axis should the independent variable always be?

• X
• Y

Tags

NGSS.MS-PS3-1

Which is NOT a step in the scientific method?

• Make observation
• Form a theory
• Collect data
• Form a hypothesis

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. What variables should be kept constant?

• type of plant, flower pot, soil, and amount of sunlight

• water, apple juice, milk

• only the amount of sunlight

• type of plant only

Using one or more of your senses to gather information is called

• Inferring

• Observing

• Predicting

• Hypothesizing

Tags

NGSS.MS-LS1-8

The Skittles are yellow, red and green is an example of _____.

• qualitative observations

• quantitative observations

• hypothesis