An educated guess or prediction based on observations or prior research, and that can be tested.
100
What is temperature and how can you measure it?
Temperature is the measure of how hot or cold something is, and you can measure it with a thermometer.
100
What is the basic unit of measurement for length, and how is it abbreviated?
Meter. m
200
What is a model?
A physical representation of an object, system or concept.
200
What is a variable, and what is a control?
A variable is a factor that changes in an experiment in order to test a hypothesis (you do not have control over it). A control is a factor that you must keep constant during an experiment in order to make it reliable.
200
What is volume?
a measure of the size of something in a 3-dimensional space.
200
What is the basic unit of measurement for mass, and how is it abbreviated?
Gram. g
300
Name 2 places that a life scientist might work.
Lab, farm, hospital, space, forest, ocean.
300
What are three types of graphs that can help you to report your data?
Bar graph, line graph, pie chart, pictograph.
300
What are the 3 beams on a triple beam balance, and which one do you move first (usually)?
There is one beam that moves in increments of 100, one in 10's and one in 1's. You typically move the one in 100's first.
300
What is the basic unit of measurement for volume of a LIQUID, and how is it abbreviated?
Liter. L
400
How many lab safety rules are on your lab safety contract?
20
400
What is the difference between a law and a theory?
A theory is an explanation that ties hypotheses and observations together, while a law is a summary of many experimental results, and tells how things work.
400
What are three tools that you can use to measure the volume of a liquid?
Beaker, flask, graduated cylinder.
400
Using a pneumonic device, or just your memory, what are the 7 steps on the metric conversion ladder?
Kilo - Hecto - Deca - (Key unit) - Deci - Centi - Milli
500
What are three models that a life scientist might use? Only one can be part of the human body.
Skull/skeleton, any organs, cell model, DNA model, globe/map.
500
List the 6 steps of the Scientific Method (in order).
Ask questions. Form a hypothesis. Test the hypothesis. Analyze results. Draw Conclusions. Communicate results.
500
What is the difference between area and volume?
Area is the measure of the surface of a region (not 3-dimensional), while volume is the measure of something in a 3-dimensional space.