What is Science?
Measurement
Unit Conversions
Density
100
Is the following an observation or an inference?
When the sun came out, it made the rain stop
Inference
100
What rules do we follow to make a measurement with a manual device (ruler, graduated cylinder)?
Identify the smallest marking
Go one decimal past what the smallest parking tells us
100
Convert 254 cm to m
100cm = 1m
2.54m
100
What is the unit for density?
g/mL
200
Is the following observation quantitative or qualitative?
The soccer player scored from 40yards out.
Quantitative
200
What is the base metric unit for Volume?
Liters (L) or milliliters (mL)
200
Convert 75.5 pounds to kg
1kg = 2.205lbs
34.25kg
200
A rock has a density of 4 g/mL and a mass of 54 grams what volume does the rock occupy?
13.5 mL
300
What should a hypothesis look like when we write it?
If...then...
300
Measure the red block to the correct number of decimal places
7.25 cm
300
Convert 15.6 cm to mm
100cm = 1 m
1000mm = 1m
156mm
300
A toy car displaces 50mL of water when submerged. If the pipe has a mass of 80 g, what is it's density?
1.6 g/mL
400
Identify the independent variable in the following experiment:
Students of different ages were given the same puzzle to solve. Puzzle assembly time was measured
student's age
400
Read the graduated cylinder to the correct number of decimal places
72.3 mL
400
Convert 2 gal to Liters
1 gal = 3.79 L
7.57L
400
What is the density of the unknown liquid measured here
1.1241 g/mL
500
When would I want to use a bar graph?
When comparing qualitative data
500
What is the volume of the submerged object
10mL
500
360 km to miles
1 km = 0.6214miles
223.7 miles
500
How do I find the units for slope on a graph?
slope = y/x , so units for y divided by units for x