What's That Word
Takes up space.
What is matter?
A model for testing.
What is prototype?
Something that is man made.
What is technology?
One is not a state of matter:
Solid, particle, liquid, gas
What is particle?
Give an example of technology.
Answers will vary (human made)
A change where nothing new is made.
What is physical reaction/change?
A change where a new substance forms.
What is a chemical reaction/change?
Matter cannot be created nor destroyed.
What is the conservation of matter?
One is not technology:
Chair, computer, water, bread.
What is water?
Give an example of "not-technology".
Answers will vary (not human made)
A mixture that has the same composition throughout.
What is solution?
A combination of two or more substances that keep their identities.
What is mixture?
Giving up a quality or feature to gain a different quality or feature.
What is tradeoff?
One is not a chemical reaction:
Statue rusting, glow stick breaking, paper being cut, wood burning.
What is paper being cut?
Give an example for a solid, liquid, and gas.
Answers will vary.
The desirable features of a solution.
What is criteria?
The practical use of science and math to solve problems and meets society's needs and wants.
What is engineering?
An absolute limit on acceptable solutions.
What is constraint?
One is not criteria:
Fun to play, availability of materials, easy to learn, works for all ages.
What is availability of materials?
Give an example of a tradeoff.
Answers will vary, but one want should be split into two options.
How much of a substance will dissolve in a given amount of liquid.
What is solubility?
A table that is used to help make decisions.
The ability to transfer heat or electricity.
One is not a property of matter:
Hardness, Sound, Color, or Solubility.
What is sound?
Give an example of a criteria and constraint.
Answers will vary, criteria should be a want, constraint should be a need.