Heat
Light
Sound
EMR
Electric
100
True or False: Temperature measures the kinetic energy of particles in a substance
True
100
Describe the Law of Reflection (not just state the formula)
Light is reflected at the same angle as its incident
100
The _______ of a sound is the distance between its peaks/crests
Wavelength
100
What does EMR stand for?
Electromagnetic radiation
100
Atoms and Ions are made up of what three components?
Proton, Neutron, Electron
200
Which type of heat transfer involves the transfer of heat by vibrating particles?
Conduction
200
The bending of light is called ________
Refraction
200
True or false: Sound travels faster through a solids than air
True
200
True or False: The electromagnetic spectrum ranges from low energy gamma rays to high energy radio waves
False. Gamma rays are high energy (damaging) and radio waves are low energy
200
Electrons need a path they can travel along called a _____
Circuit
300
Cloth and rubber are good at blocking heat transfer. These are examples of what?
Insulators
300
Describe luminous vs non luminous and give examples
Luminous is an object that releases its own light, vs non luminous objects that only reflect light but do not produce it. The moon is non luminous and stars are luminous
300
Sound reaching which part of the ear makes it vibrate so that it can be converted to electrical impulses and interpreted by the brain?
Eardrum
300
What is white light?
All the colours of the visible spectrum combined
300
___x____ is the symbol for what component?
Battery
400
Fill in the blank: As air is ____ its particles gain energy and move apart, pushing _____. This method of heat transfer is called ______
heated, upwards, convection
400
We see objects around us because _____ reflects off of it into our eyes. When we look at a red ball, the red light is _____ and the rest of the spectrum is ______
light: reflected: absorbed
400
Sound is produced when particles vibrate. The vibrations create regions where particles bunch together called ______ and regions where they are more spread out called _______. A soundwave is the alternating movement of these regions.
compressions, rarefactions
400
Electromagnetic waves travel at the speed of _____. Electromagnetic waves can/cannot travel through empty space.
light: can
400
Name the charged particle that carries the electric current through a circuit
Electron
500
On a hot day you have the choice of travelling in a red, whit or black car. All are the same model and have been parked in the sun for an hour. Explain which car would be best to travel in. AND Which type of energy is being absorbed by the cars?
White, because it reflects the most of the RADIATED energy from the sun
500
Does light going through a convex lens diverge or converge?
converge
500
Calculate: Sound travels at 1500 meters/second in water. It took 0.4 seconds for a sound pulse from a ship to reach a fish. How deep is the fish.
600 meters
500
Define the meanings of the terms "infrared" and "ultraviolet"
Infrared: "below" red Ultraviolet: "beyond" violet These are the positions of the waves along the electromagnetic spectrum
500
An electric circuit needs what three things?
an energy source, an energy converter, wires to connect everything
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