Measurement Tools
Units, Units, Units!
Scientific Method
Metric Conversions!
Water Displacement
100
What does this tool measure?
Mass
100
What units measure mass?
Grams (g)
100
DOUBLE POINTS
Define:
Inference
Observation
Inference: assumption based on senses
Observation: detected using five senses
100
1m = ______ mm
1m = 1000 mm
100
Calculate the volume:
2mL
200
What does this tool measure?
Volume
200
What unit do we use when measuring temperature?
Celcius (C)
200
DOUBLE POINTS
Define both terms:
Independent variable
Dependent variable
I.V. - what the scientist changes
D.V. - what the scientist measures
200
2500 m = _______ km
2500m = 2.5 km
200
Calculate the volume:
2mL
300
What do we use to find the volume of an irregularly shaped object (like a bolt)?
Graduated Cylinder
300
Calculate the volume of the shape below:
1,344 cm3
300
What is the correct format of a hypothesis?
If... Then... Because
300
431cm = ________m
431cm = 4.31m
300
What is this called?
Meniscus
400
What would you use to find the volume of a shoebox?
Ruler
400
cm3 and mL are both units of measurement for what?
Volume
400
What is the correct order of the steps in the scientific method?
(a) Conduct the experiment.
(b) Form a hypothesis.
(c) Form a conclusion.
(d) Report your results.
(e) Ask a question.
(f) Analyze the data.
(e) Ask a question.
(b) Form a hypothesis.
(a) Conduct the experiment.
(f) Analyze the data.
(c) Form a conclusion.
(d) Report your results.
400
105 mL = _______ L
105 mL = 0.105 L
400
When employing water displacement... When we subtract the start water level from the final water level, what are we left with?
The volume of ___________
The object!
500
What is this?
Weigh Boat
500
If I wanted to measure the height of the clouds, what unit should I use?
kilometers
500
A student wants to test the effect of different amounts of caffeine on the heart rate of a frog. What is the independent variable?
Scientist is changing the amount of caffeine in each trial.
500
2568mm = ________ km
2568mm = 0.002568 km
500
Calculate the volume:
1.6 mL