UNIT 1: Work and Machines D: 124-128 Main Ideas: 1. How do inclined planes make work A: 108-113 easier? Main Ideas: 2. How do wedges make work easier? 1. Explain all the requirements for work to 3. How do screws make work easier? be done. 2. How do you calculate work? Give examples. 3. What is the difference between power and work? VOCAB: work, joule 4. How do levers make work easier? VOCAB: lever, fulcrum, screw, wedge, inclined plane. E: 130-135 Main Ideas: 1. How does a wheel and axle make B: 114-117 Main Ideas: 1. What is a machine? 2. What is the difference between input and out force? Give an example. 3. What is the difference between input and output work? Give an example. 4. Describe the 3 ways machines make work easier? 2. How does a pulley make work easier? 3. How does our body act as machines? VOCAB: compound machine, pulley, wheel and axle UNIT 2: Energy (Flexbook) work easier. VOCAB: None. A: Chapter 8 online - Types of Energy Main Ideas: C: 118-121 1. Properties of kinetic energy Main Ideas: 2. Compare and contrast elastic and 1. How do machines give a mechanical advantage? gravitational potential energy 3. Explain conservation of energy with 2. What makes a machine efficient? exampels Give an example. VOCAB: potential energy 3. What is an ideal machine? VOCAB: Efficiency, mechanical advantage B: Chapter 9 online- Forms of energy Main Ideas: 1. Explain mechanical energy with an example 2. Explain chemical energy with an example 3. Explain electrical energy with an example 4.Explain nuclear energy with an example A: 6-10 Main Ideas: 1. Wave’s relationship to energy 2. Causation of a wave 3. Types of waves VOCAB: wave, energy, medium, mechanical wave, crest, trough, longitudinal wave, compression, rarefaction 5. Explain thermal energy with an example 6. Explain electromagnetic energy with an example B: 11-14 Main Ideas: 1. Amplitude of transverse and 7. Explain sound energy with an example longitudinal waves 2. Relationship between frequency and 8. Explain energy transformation with examples VOCAB: None. wavelength 3. Wave speed VOCAB: amplitude, wavelength, frequency C: Chapter 10 online - Energy Resources Main Ideas: 1. Compare and contrast nuclear energy and fossil fuels 2. Explain the variety of renewable energy sources 3. List ways to conserve energy VOCAB: renewable energy, nonrenewable energy, natural resource C: 17-23 Main Ideas: 1. Reflection 2. Refraction 3. Constructive versus destructive interference 4. Standing waves and resonance VOCAB: node, antinode, resonance UNIT 3: Waves Waves intro Sound waves D: 36-39, 42-47 Main Ideas: 1. How sound waves are produced 5. X-rays and their uses and how they travel 2. Reflection versus diffraction of 6. Gamma rays and their uses VOCAB: radar sound waves 3. Speed of sound H: 90-96 4. Loudness versus pitch Main Ideas: 5. The Doppler effect 1. Amplitude versus frequency VOCAB: Ultrasound, infrasound, pitch, modulation 2. Brief history of wireless intensity, loudness communication E: 54-55, 60-63 3. Phone and television satellite Main Ideas: systems 1. Structure and function of human ear VOCAB: Global Positioning System 2. Echolocation 3. Ultrasound technologies Light waves VOCAB: sonar, cochlea, eardrum, ear canal I: 106-111 Em waves Main Ideas: F: 71-75 1. Compare transparent, Main Ideas: translucent and opaque material 1. Producing electromagnetic 2. Color and objects waves 2. Wave versus particle model of 3. Combining color VOCAB: Pigment light 3. The electromagnetic spectrum VOCAB: photon, electromagnetic wave J: 125-128 Main Ideas: 1. Structure and function of the human eye G: 76-80 2. Correcting vision Main Ideas: 1. Radio waves and their uses 2. Infrared rays and their uses 3. Visible light and its uses 4. UV rays and their uses VOCAB: optic nerve, cones, rods, retina, pupil, cornea, nearsighted, farsighted