Nature of Science
Technology/Engineering
Chemistry
Physics
Miscellaneous
100
Observations that deal with descriptions that cannot be expressed in numbers.
What are qualitative observations?
100
Step 5 in the engineering design process.
What is build a prototype?
100
The substance formed when salt is put into water.
What is a homogeneous mixture?
100
An elastic band fully stretched out is an example of this.
What is elastic potential energy?
100
In designing a product, cost is an example of this.
What is a constraint?
200
Used to measure volume of an irregular solid.
What is a graduated cylinder?
200
In a telephone the device that converts sound into an electrical signal before it is transmitted.
What is an encoder?
200
HCl and CO2 are examples of this.
What are compounds?
200
When the tires of a bicycle travel over a rough roadway, this is the energy conversion that takes place.
What is mechanical energy into thermal energy?
200
Represents the number of protons in an atom.
What is the atomic number?
300
A well-tested explanation for a wide range of related observations or experimental results
What is scientific theory?
300
The force that is perpendicular to the motion of a vehicle. Often it is an upward force.
What is lift?
300
The periodic table allowed Mendeleev to make predictions about this.
What are properties (or new elements)?
300
The velocity of a car traveling from Massachusetts to Florida after traveling 100 kilometers in 2 hours.
What is 50 km/hr, south?
300
The actual length of the classroom is 35 ft. The room is measured 3 times and the measurements are: 35.1, 35.0 and 35.2. These measurements are:
Precise and Accurate
400
The number of variables that are changed in a controlled experiment.
What is a one?
400
The parts of the universal systems model.
What are goal, process, input, output, feedback?
400
Heat travels _________.
What is from a higher temperature to a lower temperature?
400
The forces that cause motion.
What are unbalanced forces?
400
Identifying good sources of information, applying scientific principles to problems in your everyday life.
What is scientific literacy?
500
The density of an object that is 300g and 100 mL.
What is 3 g/mL?
500
Two problems with emerging technologies.
They are expensive and they may not work properly.
500
All changes in matter must also include a change in this.
A change in energy?
500
Gravity acts on ______.
What are all objects with mass?
500
Melting Point, Density and Boiling point can be used to do this.
What is identify a substance? They are characteristic properties.
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