Experimental Design
Measure for Measure
Get to WORK!
Organics
Lets Get Physical (or chemical)
100
The part of an experiment that stays the SAME
What is a constant?
100
The scientific units used to measure mass
What are grams?
100
The equation for work
What is W=f x d
100
The element NECESSARY for a compound to be organic.
What is Carbon
100
One way your teeth physical change your food -
What is break, bite, crush, chomp...
200
The variable that YOU change in an experiment. It is the CAUSE.
What is the Independent Variable?
200
The scientific units used to measure volume?
What are mililiters (ml)?
200
Marisol uses 12N of force to move her bookshelf 4 meters. How much work did she do (in Joules)?
48J
200
Three other common elements in organic compounds
What are Hydrogen, Oxygen and Nitrogen
200
The body system that physically and chemically changes your food
What is the digestive system?
300
The variable you OBSERVE or MEASURE in an experiment
What is the dependent variable?
300
A tool to measure mass
What is a triple beam balance?
300
When a person uses a ramp, they get to use less -
What is force?
300
How many different elements does Acetone, CH3COCH3, have?
What is 3?
300
The substance in your mouth that begins chemical digestion
What is saliva?
400
Rosa wants to know if food will decompose faster in a warmer area. She puts a pack of food in the freezer, a pack of food on a table in her house, and another pack of food in the hot sun. What would be the cause of the food decomposing at a different speed?
The different temperatures
400
The best tool to use when measuring volume.
What is a graduated cylinder?
400
A forklift uses 546N of force to move a box up 30 meters. How much work did the forklift do?
What is 16,380J
400
The product of Starch breaking down in your digestive system.
What is glucose?
400
A phase change is an example of -
What is a physical change?
500
Rosa wants to know if food will decompose faster in a warmer area. She puts a pack of food in the freezer, a pack of food on a table in her house, and another pack of food in the hot sun. What would variable is Rosa measuring?
The amount the food decomposes.
500
John fills up a graduated cylinder with 20mL of water. He drops in a marble and the water level is now at 24 mL. What is the volume of the marble?
What is 4 mL?
500
Mr. Moreno wants to lift a 300N box on to the stage. He pulls at the box for 20 seconds, but the box doesn't budge. How much work did Mr. Moreno do?
0J of work!
500
Is carbon dioxide (CO2) an organic compound?
No, it is an exception.
500
Complex carbohydrates breaking down into simple carbohydrates is an example of -
What is chemical change?
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