List two ways scientific discoveries are made.
experiments , accidents
what are the 4 processes of science
observation, questioning,exploring,seeking answers
use the application of science knowledge to improve the quality of life
Technology
what is physical science
the study of matter and energy
listen the 2 properties of matter
hardness and taste
physical science concerns the ? and ? of matter
composition,properties
What are four problem solving strategies?
a. Predict a solution to your problem and try itb. eliminate possibilities and try again c. look for patterns on which to maybe predictions d. develop a model - a structure oridea
a(n) ? is an educated guess abt the answer to a problem
hypothesis
a(n) ? is a "rule of nature
scientific law
A(n) ? is an explanation based on meaning observations supportedby experimental results.
theory
Problem solving involves ?thinking.
critical
The ? is the trapping of the sun's energy by the Barth's atmosphere and causes global warming.
greenhouse effect
is the gathering of information by using senses and tools
öbservation
What results from the mixing of sulfur dioxide and water?
acid rain
The ozone layer protects us from damaging ? radiation
uv
List three examples of fossil fuels.
coal, oil, natural gas