Meters, Liters & Grams
Vocabulary
Identifying Variables
Scientific Method
Observations & Inferences
100
What is the base unit for length and what tool is used to measure it?
Base unit = meters Tool = metric ruler/meter stick
100
This is the variable that may change as a result of the independent variable and is being MEASURED
Dependent Variable
100
In SpongeBob Clean Pants, what was the problem SpongeBob wanted to investigate?
Will Clean-O detergent clean his pants better than water? (Why are his pants not as clean as they used to be?)
100
What is the first step in the scientific method?
Identify the problem/question
100
Is the following observation qualitative or quantitative? The cup had a mass of 454 grams.
Quantitative Observation
200
What is the base unit for volume and what scientific tool is used to measure it?
Base unit = liters Tool = Graduated cylinder/Beaker
200
This is a factor in an experiment that is kept the same and not allowed to change
Constant
200
In SpongeBob Clean Pants, what is the independent variable?
The Clean-O Detergent
200
What is the second step of the scientific method, otherwise known as the process of gathering existing information?
Conduct research/Initial Observations
200
Is the following observation qualitative or quantitative? The building is taller than the tree.
Qualitative Observation
300
What is the base unit for mass and what scientific tool is used to measure it?
Base unit = grams Tool = Balance/scale
300
This is a variable that is purposely changed or manipulated
Independent Variable
300
In SpongeBob Clean Pants, what is the dependent variable?
How clean his pants were
300
After a hypothesis is tested, what is our next step?
Collect and analyze data
300
Is the following statement an observation or an inference? The hamburger was hot.
Inference
400
Perform the following metric conversion: 1500 m = __________km
1.5 km
400
This is the group subjected to the variable being tested.
Experimental Group
400
What should SpongeBob conclude?
He can conclude that the Clean-O Detergent does not work any better than plain water, because the paints washed in the Clean-O Detergent did not appear to be any cleaner than the pants washed in plain water.
400
Write a hypothesis for the following problem: How does the amount of leaves on a tree affect how many birds will build nests in it?
IF a tree has more leaves in it, THEN more birds will build nests in it BECAUSE the leaves provide shelter for the birds.
400
Is the following statement an observation or an inference? That sounded like a mean dog.
Inference
500
Perform the following metric conversion: 25 cg = _____________ mg
250 mg
500
This is the group that serves as a standard of comparison
Control Group
500
What is the control in SpongeBob's experiment?
The pants washed in plain water.
500
Write a hypothesis for the following problem: How does the acid level of a lake affect how many fish live there?
IF the acid level of a lake is higher, THEN there will be less fish living there BECAUSE the fish cannot survive in acid water.
500
Is the following statement an observation or an inference? When I rang the doorbell, no one answered.
Observation
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