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Scientific Investigations
Introduction to matter
Engineering design process
100
Is an educated guess that can be tested.
What is a scientific hypothesis?
100
Matter is anything that takes up space and has mass.
What is matter?
100
Technology is an application of science for practical purpose.
What is technology?
200
It's a variable that scientist intend to change in an experiment.
What is an independent variable?
200
Mass is the amount of matter in an object.
What is mass?
200
The EDP is new technology that identifies and meets that need.
What is the engineering design process? (EDP)
300
It's an experiment that only has 1 independent variable.
What is CONTROLLED experiment?
300
Weight is the measure of gravitational force.
What is weight?
300
Technology is both because technology could be like electronic devices where you need to know knowledge, but it could be simple like zippers.
Is technology simple or of complex or both? Explain.
400
Well, we use models because the thing we are studying might be too big to look at or it could be too small to look at.
Why do we use models?
400
Density is the amount of mass given by volume.
What is density?
400
A trade-off is an act of giving up one advantage to keep another.
What is a trade-off?
500
The variable is called the responding or the dependent variable.
What variable changes the response to the manipulated variable?
500
Volume is the amount of space an object takes up.
What is volume?
500
A constraint is limitations. For example, things have to be affordable and have to be good for the environment.
What is a constraint? List some.