Metric Conversions
Convert 15cm to mm
150mm
What is the first step of the scientific method?
Ask a question/ make an observation
what does m, L, and g stand for?
meter, Liter, and gram
control group and experimental group
Which prefix + unit would be best for measuring the mass of an elephant?
kilogram
1kg
which unit measures the mass of an object?
gram
Name the three variables in a basic experiment
independent, dependent, constant/control variables
Which prefix + unit would be best for measuring the amount of water in a drinking glass?
milliliters/centiliters
Convert 423L to daL
42.3daL
What two things does a proper conclusion need?
restate the hypothesis, data as evidence
which unit measures liquid volume?
Liter
What is the difference between the experimental and control groups?
the control group is the comparison group with no treatment while the experimental group gets the treatment (independent variable)
Which prefix + unit would be best for measuring how long your arm is?
centimeter/decimeter
Convert 4,367mm to m
4.367m
Give one example of something you should look up when doing background research.
Any studies already done? What materials will you need? Any safety concerns? etc.
Why can't we convert directly from one unit to the other?
The units represent different things
What is the difference between the independent, dependent, and constant variables?
independent is what you changed between the groups, dependent is the data measured, constants are anything that have to stay the same between the groups
What tools are used to measure:
mass
length/distance
liquid volume
triple beam balance, ruler, graduated cylinder
23,000dg
What are the 6 basic steps of the scientific method in order?
ask a question/observation, background research, hypothesis, experiment, organize/analyze data, write a conclusion
Which country developed the metric system?
You are testing how different types of fertilizer will effect plant height. What is the dependent variable in this experiment? What is the independent variable?
the height of the plants & the types of fertilizer
How do you find the volume of a regular (box shaped) object?
What is the unit for solid volume?
length x width x height, cm3