Unit 1 Flashcards
3 ways scientists can investigate the natural world.
1: observing
2: models
3: experiments
What are the 6 steps of the scientific method?
State the problem Gather information Form a hypothesis Test hypothesis Analyze data Draw conclusions
What happens after you finish with the scientific method?
If right repeat experiment over and over
If wrong make a new hypothesis and repeat steps
How do u produce an experiment with out a bias?
Involve many trails
Measurable data
Be repeatable
Scientific theory?
Is an explanation of things or events based on knowledge gained from many observations and investigations
Scientific law?
A statement about what happens in nature and what seems to be true all the time
Line graph
Time
Bar graph
Counting
Circle graph
Percentages
What is name and symbol for Length Mass Time Electric current Temperature Amount of substance Intensity of light
Meter; m Kilogram; kg Second; s Ampere; a Kelvin; k Mole; mol Candela; cd
Density=_______/________
Mass/volume
Volume=_______x________x_____
Length X height X width
Density of water
Importance?
1.0
Wether things float or sink
Absolute 0
Temperature Celsius, Fahrenheit kelvin
0
- 275.15
- 459.67
0. 0
List and describe the 3 major types of science. What are some of those jobs?
Life- deals with living things Physician Earth- deals with earth and space Astronauts Physical- deals with matter and energy Physicist