1.1 The Basic Science
What is the basis of technology?
Science and physics
math makes science _________________.
unambiguous or clear
What is the first step in the scientific method?
Make an observation
Billy is out at the park shooting hoops. Repeatedly he hits the front of the rim on the spot. Using accuracy and precision describe Billy's shooting skills.
Billy is very precise but also very inaccurate.
Many historians think the ________________ began the empirical study of physics
ancient Greeks
What are two different equations used in physics?
Variable answer
Effective in gaining, organizing, and applying new knowledge.
What base unit measures mass in the metric system?
Grams or Kilograms
Physics is the study of what basic things in nature? (8)
motion, forces, energy, matter, heat, sound, light, and the composition of atoms
What prefixes represent the values of 1,000 and 0.001 respectively?
Kilo and Milli
What is the difference between qualitative and quantitative data? Provide an example of each.
Qualitative data = Data that characterizes and describes.
Quantitative data = Data that has numerical value.
Who is known for the invention of pulleys and levers?
Archimedes
Who were the three early ancient Greek scientists we talked about who began the formal study of physics?
Hint: 624 BC, 500 BC, 460 BC
Thales of Melitus
Heraclitus
Democritus
5.443 x 10^6 grams
What MUST be true for a hypothesis to be scientific?
must be falsifiable
What water-dwelling creature has miniature teeth called denticles covering its body in the place of scales?
SHARKS!
Explain the difference between a scientific theory and a law.
Scientific Theory = A large body of information that encompasses well-tested and verified hypotheses.
Theory predicts WHY something occurs
Scientific Law = A hypothesis that has been tested repeatedly over a long period of time and has not been contradicted.
Predicts WHAT will happen