LET THERE BE LIGHT
Light bouncing back off a surface is known as
What is reflection?
Wavelength is typically measured from one of these five-letter high points on the wave to the next
What is a crest?
Substances that allow heat and electricity to flow through easily
What are conductors?
This small portable cylinder can be used to power torches
What is a battery?
In physics, forces have magnitude and direction, so they’re this type of quantity represented by an arrow
What is a vector?
Light being ‘bent’ as it passes from one substance to another is
What is refraction?
In 1906 Walther Nernst announced his heat theorem, now known as the third law of this
What is thermodynamics?
These substances block the transfer of heat
What are insulators?
In a string of Christmas lights, one light bulb blows and all of them turn off. The lights are wired in what type of circuit?
What is series?
The rate at which work is done is
What is power?
Substances that do not allow light rays to pass through are said to be
What is opaque?
The fundamental constant of quantum physics is named for this German who originated the quantum Theory
Who is Planck?
You are sitting around a campfire and are feeling pleasantly warm. The heat from the fire is reaching you by
What is radiation?
This component in a circuit allows you to turn a bell on and off
What is a switch?
The power of 10 for micro is
What is -6?
The shape of the lens found in the eye are
What is convex?
This stuff, crucial to the “Star Trek” episode “The Alternative Factor”, consists of antiparticles like antiprotons
What is antimatter?
Placing fibreglass batts in the ceiling of the house reduces this type of heat transfer
What is convection?
This instrument measures the force of an electric current flowing through a circuit
What is an ammeter?
The four fundamental forces in Physics are the electromagnetic, the gravitational, the strong and this one
What is the weak?
Light travels in a straight line at a constant speed of 300,000,000 m/s. Its acceleration is
What is 0 m/s2?
Get up in the “A.M” and learn that an orbiting body’s this is the product of mass, velocity and distance from an axis
What is angular momentum?
There are rates of this not just for electricity but for heat; copper is 15,000 times faster than air
What is conductivity?
The normal voltage that flows through household power points is
What is 240 volts?
Plasma, an ionised gas with little or no electrical charge, is often called the fourth state of what
What is matter?