Vocabulary
Observations made using numbers or measurements
What are quantitative observations?
213 cm = ____ m
What is 2.13 m?
The metric unit used for mass
What is kilograms (or grams)?
A meterstick is 90 cm long. How long is it in inches? (1 in = 2.54cm)
What is 35.4 in?
A description of a natural phenomenon often including mathematical terms.
Any factor that changes in an experiment
What is a variable?
.946 kg = ____ g
What is 946 g?
The metric unit for length
What is the meter?
Give the numerical meaning for the following prefixes:
centi ________
kilo__________
milli__________
What is centi = .01, kilo = 1000, and milli = .001?
Tentative explanation for an observation
What is a hypothesis?
Observations made using 5 senses
What are qualitative observations?
15,347 mL = ____ L
What is 15.347 L?
The metric unit for volume (liquid).
What is the liter?
Explain the difference between independent and dependent variables.
Dependent variable - the one that responds to the changing variable
Relationship between different units that equals 1 and used to convert from one unit to another
What is a conversion factor?
A well-supported, in-depth explanation of a broad range of phenomena
What is a scientific theory?
42.7 cm = _____ in (hint: 1 in = 2.54 cm)
What is 16.8 in?
The metric and English unit for time.
What is the second?
Make a pie chart showing how many different color skittles are in each bag.
Green 15, Yellow 13, Red 9, Orange, 10, Purple 12
Answer on board.
If you want to convert 2.6km to m, which conversion factor would you use?
a. 1 km/1000m b. 1000 m/1 km
c. .01 km/1 cm d. 1 cm/.01 m
What is b (1000 m/1 km)?
Conclusions based on observations, previous knowledge, and available information.
What is an inference?
44.1 cm to mm
What is 441 mm?
The metric unit for solid volume.
What is m3 (cubic meters)?
Why is science never settled?
What is because we are always discovering new things and sometimes it changes what we thought was true before?
A system of knowledge and the process used to find that knowledge.
What is science?