Final exam review science Physics 9 Please define all vocabularies on note cards from each chapter Ch 10 Nuclear fusion Nuclear Fission Radioactivity E=mc2 1. What are some of the benefits and harms associated with nuclear energy? 2. What is radioactivity? Half-life Ch 11/12 Acceleration force mass vector Gravitational force Centripetal force displacement Fluid friction Momentum frame of reference Magnetic force speed sliding friction inertia Instantaneous speed Nuclear forces magnitude static friction weight Projectile motion 1. What are all the equations from Ch 11 regarding average speed, acceleration, weight, momentum and force? 2. What are the units for velocity, speed, momentum, acceleration, weight, and force? 3. How do you calculate displacement? 4. What are the three laws determined by Isaac Newton regarding motion? 5. What is the equation for momentum? What is the momentum of a 50kg ball rolling down a hill at 10m/s? 6. What is the law of conservation of momentum? 7. What is the equation for Force? What force does an object exert that is 56kg and accelerating at 45m/s2 13. What is the weight of a 320kg person? 14. What information does the slope of a distance-time graph provide? Slope of a speed-time graph? 15. When a pair of balanced forces act on an object, the net force that results is equal to _______. 16. In what direction does friction always act? 17. When a ball is tied to a string and swung around in a circle is it accelerating? 18. What are the forces acting on a falling object? Ch 15/16 Vocab: Kinetic energy potential energy Thermal expansion conduction absolute zero heat Law of Conservation of energy gravitational PE elastic PE convection thermal energy work chemical energy radiation Conductor 1. What type of heat transfer is an electric oven? An electric stove? 3. What types of matter will conduct heat the most? (gas, liquid, solid) 4. What device depends on the property of thermal expansion for functioning? 5. What energy conversions take place in a swinging pendulum? 6. What are the units of temperature? 7. How does heat from the sun reach the earth? Is matter required? Ch 17 Vocab: mechanical wave transverse wave Amplitude wavelength anti-node compression reflection refraction destructive interference inner ear Doppler effect medium diffraction longitudinal wave surface wave crest node rarefaction P wave constructive interference outer ear middle ear frequency Sonar 1. What type of wave is a P wave? 2. What type of wave behavior causes a wave to bounce back at the same speed and frequency, just a different direction? Draw this behavior. 3. Draw a longitudinal/sound wave and label the compressions, rarefaction’s, and wavelength. 4. What is the speed of a wave that has a wavelength of 5.0 m and a frequency of 6.0 Hz? 5. Draw the Doppler effect happening in a situation. 6. Draw a wave and label the amplitude, wavelength, crest, rest, and trough. 7. What type of wave results from holding string and shaking back and forth? (also a stadium wave can be this) 8. What type of wave results from an earthquake? 9. In which medium does a wave travel the fastest? Ch 18 Vocab: Electromagnetic spectrum Visible light spectrum x-rays radiowaves microwaves Infrared rays gamma rays ultraviolet Polarized light Transparent translucent opaque 1. 2. 3. 4. 5. 6. 7. 8. 9. How did Michelson measure the speed of light? Electromagnetic waves vary in ___________________________. Do light waves act as waves or particles? What happens as light travels farther from the source? Draw the electromagnetic spectrum and make sure to show the difference in frequency and wavelength. Cell phones use _________________. What colors make up white light? What are the primary and secondary colors of light and pigment? What determines the apparent color of an object?