Welcome to Ms. Esser and Mr. Johnson's Science 2 page. Here you will find important information about class, as well as some helpful web sites.
Tuesday, January 16-- Midterm exam
Study for test!
SCIENCE 2 1st SEMESTER EXAM STUDY GUIDE
„h Know the parts of the equation F=mg and be able to use it to solve a problem
„h Pressure¡Xwhat happens to pressure when force is increased or decreased?
„h Know the difference between forces-- gravitational, magnetic, electrical¡K (etc.)
„h Define kinetic and potential energy. How can you tell the difference?
„h What is buoyancy? How can you tell if something will sink or float? What does that have to do with the displacement of water?
„h What is the Law of Conservation of Energy? How is energy changed?
„h As you get farther away from the earth, what happens to your weight and mass?
„h Define force, friction, pressure, Newton, weight
Chapter 13¡XSimple Machines
„h Define a simple machine and name all 6 types.
„h What is the difference between a simple and a compound machine?
„h Calculate mechanical advantage using the equations MA=R/E, MA=EA/RA, MA=ED/RD
„h Calculate work using W=Fd
„h What is effort force and resistance force?
„h What is effort distance and resistance distance?
„h What is effort arm and resistance arm?
„h What are the 3 types of levers?
„h What is efficiency, work input, and work output?
„h Define mechanical advantage, gears, pulleys, levers, etc¡K
„h Define Newton¡¦s 3 laws of motion and give an example of each.
„h What is centripetal force and centripetal acceleration? What is the difference?
„h Define inertia, joule, speed, velocity
„h Calculate speed using v=d/t
„h Calculate force using F=ma
„h What are action and reaction forces? Give examples.
„h What are balanced and unbalanced forces? Give examples.
„h Describe weightlessness and when it occurs.
„h Calculate acceleration using a=vt
„h Use a graph to calculate average speed
„h Calculate overtones and fundamental frequencies
„h How does temperature affect the speed of sound waves?
„h What are reverberations and what causes them?
„h What is constructive and destructive interference?
„h What are compressional and transverse waves?
„h What is pitch? What kind of strings on a guitar would produce high pitch? Low pitch?
„h What is diffraction? Give an example.
„h What is a wavelength and how do you measure it?
„h What kind of sounds can break glass?
„h Define frequency, intensity, Doppler effect, acoustics, harmony, quality, wave.
„h What is the electromagnetic spectrum? What are its parts? What are their wavelengths and frequencies (relative to each other)?
„h What is the photoelectric effect and what produces it?
„h What kinds of rays produce tanning?
„h What is interference and what kinds of patterns can it produce?
„h What is reflection and refraction of light?
„h What are the primary colors of light? What is produced when they are mixed?
„h What are filters? What happens to the color of objects when viewed through a filter?
„h What does a polarizing filter do to light?
„h What are transparent, translucent, and opaque objects?
„h Why does light separate into different colors when going through a prism?
„h Define index of refraction, photocell, radiant energy, polarization, wave nature of light.
What are conductors and insulators? Give examples.
What are the parts of a simple circuit?
Calculate resistance using R=V/I
What is the difference between series and parallel circuits?
Define circuit, resistance, and grounding.
What are wet cells and dry cells?