Light and Sound
What is light?
Light is a form of electromagnetic energy that our eyes can detect
What is energy?
Energy is the ability to do work.
What is a solar system?
The solar system is a collection of the sun, planets, comets, asteroids, meteors and space debris.
What is sound?
Sound is created when something vibrates and sends waves of energy or vibrations into our ears.
What was the first animal to orbit Earth?
Dog
________ measures the number of sound vibrations per second.
Frequency
What is a renewable resource?
A renewable resource is something that can be used more than once because it is replaced naturally.
The planet closest to the sun is ______________.
Mercury
What is a non-renewable resource?
A non-renewable resource is something that can be used once.
What one of these planets is NOT a Gas Giant?
Jupiter
Mars
Neptune
Uranus
Mars
Which of the following does not produce both light and heat?
A campfire
A phone light
A candle
The Sun
A phone light
______________________ is the energy that comes from splitting an atom.
Nuclear Energy
Fill in the Blank: ____________________ is a massive ball of hot gas located at the centre of the solar system that gives off light and heat.
The Sun
_____________ is the energy “stored” in an object.
Potential Energy
Light bulbs give off two types of energy. What are they?
Radiant Energy
Thermal Energy
Which of the following is a translucent object?
A clear glass
A tiny mouse
A frosted glass
A piece of wood
A frosted glass
______________________ comes from objects when they move. Wind is a source of this form of energy.
Mechanical Energy
Fill in the Blank: ____________________ is a small piece of an asteroid or comet that breaks apart and enters Earth’s atmosphere.
A meteor
What is a satellite?
A satellite is something that orbits around a planet or star
What is the speed of light?
300,000 kilometres per second
________ is when light passes through an object and bends.
Refraction
Digesting food is an example of which form of energy?
Chemical Energy
What is the difference between Mass and Weight?
Mass is a measure of the amount of matter in an object.
Weight is a measure of the gravitational pull on an object.
Fill in the Blank: ____________________ is a ball of frozen gas and dust that orbits around the Sun.
A Comet
________ is when light stops at an object and doesn’t reflect.
Absorption