Experimental Design Warriors

You decide to clean your bedroom. You notice that your floor is covered with clothes. You decide to try to get rid of the clothes by throwing the clothes into the air. You throw clothes from a 1/3 of the room into the closet and a second 1/3 of the room straight up in the air. The last 1/3 of the room you leave the clothes on the floor. After 30 minutes of "cleaning", the floor of the room is now visible. WHAT IS THE INDEPENDENT VARIABLE?

• The bedroom

• How clean the bedroom is

• The amount of clothes

• Throwing the clothes

You decide to clean your bedroom. You notice that your floor is covered with clothes. You decide to try to get rid of the clothes by throwing the clothes into the air. You throw clothes from a 1/3 of the room into the closet and a second 1/3 of the room straight up in the air. The last 1/3 of the room you leave the clothes on the floor. After 30 minutes of "cleaning", the floor of the room is now visible. WHAT ARE TWO CONTROLLED VARIABLES?

• The amount of clothes

• The direction you are throwing the clothes

• The bedroom

• How clean the bedroom is

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

• data
• theory
• hypothesis
• fact

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• responding variable

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

• scientific method
• recipe
• data collection
• metric system

A list of the steps anyone could follow to conduct an experiment. 

• obervations
• question/problem
• materials
• procedures

The cake has a sweet smell is a _______ assessment. 

• Qualitative
• Quantitative

Jeff is 6 feet 2 inches is a ___________ assesment

• Qualitative
• Quantitative

What part of an experiment contains the data tables and graphs?

• Analysis

• Conclusion

• Hypothesis

• Materials