Show:
How Scientists Work
Scientific Measurement
Designing an Experiment
Scientific Knowledge
Scientific Laws and Theories
100
When a scientists uses his or her senses to gather information he or she is...
observing
100
If you take a ball with a mass of 60 grams to the moon where gravity is 1/6th that of Earth, what will the ball's mass be on the moon?
60 grams.
100
The variable that you can change or manipulate in an experiment...
Independent variable
100
Sarah thinks her math test in first period was "stupid and boring." What kind of reasoning is she displaying?
subjective reasoning
100
This describes what a scientist expects to happen and has been proven to be correct
scientific law.
200
Inferences are based on what?
prior knowledge and observations
200
How many meters are in a kilometer?
1000
200
when a different group of scientists conduct the same experiment as you, they are trying to "_______" the experiment.
replicate
200
Horoscopes and breaking a mirror to give you bad luck are both examples of what?
pseudoscience
200
law or theory: an object in motion will stay in motion unless acted on by an outside source.
law
300
This is another word for evaluating observations and data...
analyzing
300
This is the measure of the pull of gravity on an object
weight
300
How many variables should you test at one time? What is this called?
One, controlled experiment.
300
the oil spill in the Gulf of Mexico is one example of a "_____" of drilling for oil.
cost
300
a well tested explanation for a wide range of observations and experimental results.
scientific theory
400
what is one way to classify the following group: banana, apple, carrot, brocolli and pear
color, shape, size, fruit and vegetable
400
What is the density of an object that 10 grams with a volume of 20 mL?
0.5 g/mL
400
an error in the design of an experiment.
bias
400
These are personal feelings which should not be used to reach a conclusion
opinions.
400
which gas is required for fires to burn?
oxygen
500
John checked his order for tshirts and found 15 black tshirts and 10 white tshirts. What kind of observation(s) did he make?
qualitative and quantitative
500
The amount of space an object takes up...
volume
500
This variable changes because you changed something.
dependent variable.
500
Science or pseudoscience: the Mayans predicted that the world would end when the planets lined up on Dec 21st 2012
pseudoscience
500
which would hit the ground first, A 14 pound bowling ball or a 5 ounce marble, assuming they were dropped from the same height at the same time?
they hit at the same time.