Safety, Tools and Scientific Method
Elements and Metals
Matter
Energy
Force and Motion
100
What are the 6 steps of the scientific process?
Problem/Purpose Hypothesis Materials Procedure Results Conclusion
100
What are rows called on the Periodic Table? What are columns called on the Periodic Table?
Rows=Periods Columns=Groups
100
Chemical or Physical: Butter melting
physical
100
What energy transformation is the turbin involved in? (2 steps)
Converts thermal energy into kinetic energy
100
Motion involves a change in ________
Position
200
List 3 basic safety items
goggles gloves apron
200
Give and example of a nonmetals
hair, desk, air...
200
This state of matter takes the shape of its container
Liquid
200
Describe the transformation in 2 steps your lunch TO playing at recess
chemical TO kinetic
200
Describe a motion with less friction Describe a motion with lots of friction
LESS: ice skating, smooth ramp LOTS: sandpaper, rough ramp
300
What tools is used to find mass?
Triple Beam Balance
300
Define element
A pure substance
300
During Baggy Boom, one bag expanded. Why did this happen and what change was involved?
Gas was produced Chemical change
300
FILL IN THE BLANK Kinetic energy increases as an object moves __________.
faster
300
What does balanced forces mean?
TWO EQUAL FORCES THAT CANCEL EACH OTHER BECAUSE THEY ARE ACTING IN OPPOSITE DIRECTIONS
400
How do you find the volume of an irregularly shaped object?
Fill graduated cylinder, record level Place irregular object inside, record level Subtract second # from first
400
What two metals are found in solid Earth?
Nickel and Iron
400
What is ductility?
A metals ability to stretched without breaking
400
What are fossil fuels?
Decaying organic material
400
What does Newtons Third Law say?
FOR EVERY ACTION THERE IS AN EQUAL AND OPPOSITE REACTION
500
Which variable is plotted on the x-axis? y-axis? dependent or independent
x-axis: independent y-axis: dependent
500
Which groupd of metals is the softest?
Alkali Metals
500
Describe the Law of Conservation of Mass
Mass is never created nor destroyed, it only changes form
500
What does a photovoltaic cell do?
Converts solar energy into electrical energy (solar panel)
500
What is inertia?
TENDENCY TO RESIST CHANGE IN MOTION
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