Which of these can be used to describe a black hole?
Supermassive Click to see the answer
The movement of particles from an area of high concentration to low is what?
Diffusion
Which of the following is a renewable energy resource?
Geothermal Power
Our galaxy is what?
Moving
How much does a person weigh on the Moon compared to Earth?
Less
Which of these of these shares its name with a hit science sitcom?
The big bang theory
The 'ohm' is the SI unit of what?
Electrical resistance Click to see the answer
Which of the following does not cause disruptions to electricity services?
Light rain
In a circuit diagram, what does a circle with a cross inside it represent?
Light bulbs
Closed circuits have no what?
Gaps
What measures the weight of a pumpkin?
Scale
Which kind of flight involves breaking the sound barrier?
Supersonic
Which of these used to be classed as a planet?
Pluto Click to see the answer
Jupiter and Saturn have clouds made of what?
Ammonia
The Pa, or Pascal, is a unit of what?
Pressure
NASA is based in which country?
USA
Which of these is a source of electricity?
Battery
A thermometer is a device used to measure what?
Temperature
Physics studies motion through time and what?
Space
What is the first name of the scientist who gave us the Hubble Space Telescope?
Edwin
What does R stand for in CMBR?
Radiation
What is the middle of an atom called?
Nucleus Click to see the answer
What is the Sun?
A Star
Which of these is a type of light which lets humans see otherwise invisible things?
UV
One who studies physics is known as a what?
Physicist
Which of these fall in a predictable annual 'shower'?
Meteors
Which of these was an astronaut?
Neil Armstrong
Which of these has new, full and half phases?
The moon
Where would you look to see the stars?
The sky
The surface of the sun is very what?
Hot
What is a nebula?
Interstellar Cloud
How many centimeters are there in a meter?
100
The imperial system and the metric system are two systems for what?
Measuring
In which galaxy is the earth situated?
Milky Way Click to see the answer
Open circuits always have what?
Gaps
Which type of power station produces carbon dioxide?
Gas burning
Schematic circuit diagrams use what?
Symbols
What do we use to look at the stars?
Telescopes
What controls our tides?
The Moon
What is a light year a unit of?
Distance
Charge in motion is called what?
Current
Why does sound move faster through water?
Closer Particles
Which of these is not a fundamental part of any electrical circuit?
A bell
What are the 2 terminals of a diode called?
Anode And Cathode
Which of these would you find in the sky?
Meteors
Which of these is not a type of UV light?
D
Which of these is used to measure length?
Rulers
How does static electricity build up when walking on a carpet?
Friction
The International Space Station was first launched in which year?
1998 Click to see the answer
What planet is famous for the beautiful rings that surround it?
Saturn
What is watching the sky at night often called?
Stargazing
The distance light travels in a year is known as a what?
Light-year
Space based satellite navigation system is called what?
GPS
The sun is the earth's major source of what?
Energy
What does 'R' stand for in RADAR?
Radio
Which is the recognized theory of how the world came into being?
Big Bang
When some astronauts reach space they feel ill, what is this called?
Space sickness
What do you need to see Neptune from Earth?
Telescope
What is the charge on a proton?
Positive
Footprints left on the moon will stay there forever if untouched. Why?
No Wind
Which of these is not an element of Ohm's law?
Light bulbs
How many different states are there in a digital signal?
2
Batteries convert chemical energy into which kind of energy?
Electrical
Which of these is not a good electrical conductor?
Paper
Which of the following is not a unit of measurement?
None of these
What do we use to turn an electric light on or off?
Switch
Which instrument would you use to measure electric potential?
Voltmeter Click to see the answer
What will two particles of different charges do?
Attract
What kind of planet is Saturn?
Gas Giant
When is the best time to watch a meteor shower?
Midnight Until Dawn
The technology used to locate and detect objects is called?
RADAR
Which of these is a temperature scale?
Celsius
What is optics the study of?
Light
What tool can be used to measure fluid volume?
Graduated cylinder
Electric resistance is measured in what?
Ohms
Do other planets have clouds?
Yes
Which of these Ms is a planet?
Mercury
When two plastic rods are rubbed and brought together, they attract due to what?
Opposite charges
Roughly what shape are most planets?
Spheres
Which of these would you probably use to measure the volume of a glass of water?
Ounces
Which of these has a positive electric charge?
Proton
What is it in metals that make them good conductors?
Free Electrons
How many suns does Earth have?
One
Rocket science has a 'proper' name too - what is it?
Astronautics
Which of these is the word for a machine that is sent to space?
Spacecraft
What is a Geiger counter used to measure?
Radiation
An ion has a what?
Charge
Velocity is another name for what?
Speed
Albert who is best known for his theory of relativity?
Einstein
What is the voltage of the mains supply in the USA?
240 V
What units are used to measure electric current?
Amperes
Materials that allow electricity to flow through them easily are called what?
Conductors
What happens to a person's mass on the Moon?
Stays The Same
What are the best absorbers of thermal radiation?
Black surfaces
Which of these is a measurement of distance?
Yard
An object being painted is given an opposite charge to the paint so you get what?
An even coat
Where does most electricity in the United States come from?
Fossil fuels
Which of these is not used for measuring distance?
A gill
One advantage of optical fibers over ordinary cables of the same thickness is what?
Carry More Information
The Moon directly or indirectly affects which of these?
All Of These
Which of these is not found in the Earth's atmosphere?
Gold
Nuclear power uses what to create energy?
Fission
What color does Earth appear from space?
Green and Blue
What is the study of celestial objects called?
Astronomy
What planet is famous for its big red spot?
Jupiter Click to see the answer
What other word could you use to describe luminosity?
Brightness
What does 'S' stand for in NASA?
Space
What charge do neutrons have?
None
What is the main function of a neutral wire in a plug?
Completes circuit
Electricity isn't considered a primary energy source as it is produced by what?
Another energy source
What happens when a piece of plastic becomes negatively charged?
Gains electrons Click to see the answer
What is the only natural satellite to orbit the Earth?
The moon
Lasers work by focusing what waves?
Light
What do stars emit?
Light
What do we call that theory which claims that a small mass blew up and grew, creating the universe?
The Big Bang Theory
About how long does it take sunlight to reach Earth?
8 minutes
Astronauts can only eat food that is what?
Packaged
What does N in NEO stand for?
Near
Metal bonding with metal is known as what kind of bond?
Metallic
The sun and everything that travels around it is known as our what?
Solar system Click to see the answer
What color is the neutral wire in a plug?
Blue
The state of the art technology used to train pilots is a flight....?
Simulator
Mobile phones use what sort of radiation to communicate with their base stations?
Microwaves
Which of these is a good conductor of electricity?
Gold
How many Watts are in a Kilowatt?
1000
Which of these would you use to measure the area of your backyard?
Acres
Which of these planets is the fifth coldest?
Jupiter
Which planets are Jupiter's closest neighbors in the solar system?
Mars and Saturn
Which of these do we NOT know Mars currently has?
Liquid water
Why are plugs made of plastic?
Insulate them
Which of these is not a color of the rainbow?
Black
Why are high voltage power lines used?
Improves efficiency Click to see the answer
What does a prism do to light?
Refracts It
Metals are capable of conducting electricity because they have what?
Free electrons
What are spaceships launched from?
A pad
What is the smallest planet in the Solar System?
Mercury
Which planet has the highest mountain and deepest valley in the solar system?
Mars
Which of these lights up the sky at night?
Stars
Two particles with the same charge will what?
Repel
Which of these is famous for his work on comet orbits?
Edmund Halley
If a metal expands when it gets hot what does it do when it cools?
Contracts
The scientist who gave us the '3 laws' was Isaac?
Newton
Materials that don't allow electricity to flow through them easily are called what?
Insulators
What monitors the radiation dose a nuclear worker receives?
Radiation Badges
What does the sun emit?
Heat
What color is the earth wire in a plug?
Green/yellow
What is the basic unit of electromotive force?
Volt Click to see the answer
Isaac Newton is best known for discovering what?
Gravity
A circuit with more than one path is known as a what circuit?
Parallel
What is the metric system based on?
Meter and kilogram
What are the moving charges in metal conductors?
Electrons
Which of these is a planet?
Mars
What was the name of the space program aiming to get men on the moon?
Apollo
What planet are we on?
Earth
Which of these is a measurement of speed?
Knots
Which instrument would you use to measure resistance?
Ohmmeter
What kind of resistance do conductors have?
Low
Physics is known as the what science?
Natural
What color is the live wire in a mains plug?
Brown
What is the basic unit of resistance?
Ohm
How do we know the temperature of a star?
Its Color
Where would you find the stars?
In the sky
What are the two ends of a magnet called?
North and south
What is something that orbits the Earth known as?
Satellite
What is Earth?
A Planet Click to see the answer
Sound travels fastest through what?
A vacuum
What are the best reflectors of thermal radiation?
Shiny surfaces
What is the human population on Mars?
0
Which is likely to be the first planet humans will set foot on?
Mars
Which of these does not effect the resistance of an electrical conductor?
Color
Lighting bending as it enters another entity is called what?
Refraction
Which of these is not part of an atom?
Mitochondria
Uranium is used to create which kind of energy?
Nuclear
Physics is one of the oldest academic what?
Disciplines
Electric current is typically measured in what units?
Amperes
The aurora borealis is better known as what?
Northern Lights
Do storms occur on other planets?
Yes
Which god and planet have the alternative name of 'Jove'?
Jupiter
Where is the furthest a human has been?
The moon
What does kWh stand for?
Kilowatt hours
What units would you use to measure the mass of something?
Grams
What do planets do around the sun?
Orbit
The earth rotates in which direction?
West to East
What is the wire inside of a light bulb called?
Filament
A magnifying glass is what type of lens?
Convex
What planet in the solar system is farthest from the Sun?
Neptune
Electric power is typically measured in what units?
Watts
Which planet is the only planet not named after a Greek or Roman god?
Earth
Which of theses can not be considered as a source for the energy emitted by a star?
Gasoline
What is a disadvantage of hydroelectric power produced by using a dam?
Flooding
What is the function of the earth wire in a plug?
Safety wire
The most recognized model of how the universe began is known as what?
Big bang
Why does light travel faster through air than water?
Less Dense
What is the name given to something that uses electricity to make it magnetic?
An electromagnet Click to see the answer
What is the moon commonly said to be made out of?
Cheese
Which of these is a secondary color of light?
Yellow
Albert Einstein won which award for physics in 1921?
Nobel
What is the term for a supposed alien aircraft seen in the sky?
UFO
In our solar system which would be the hottest of these planets to live on?
Venus
Who was the first person to walk on the moon?
Neil Armstrong
What is the charge on an electron?
-1
Which of these forms of carbon is a good conductor of electricity?
Graphite
The distance from the crest of one wave to the next crest is called the what?
Wavelength Click to see the answer
What does the 'R' stand for in RADAR?
Ranging
What cannot escape from black holes?
Anything
Why is light from distant galaxies red-shifted?
They're moving away
What name is given to those elementary particles that travel close to the speed of light and lack an electrical charge?
Neutrinos
Which of these is the quantity 'half-life' used to measure?
Radioactive decay
Which of these physical properties does a squash ball have?
Elasticity
What is the name for the flow of electrons in an electric circuit?
Current
What is the 'proper' name for rocket science?
Astronautics
What type of radiation is used when cell phones communicate with the base stations?
Microwaves
Electric current is measured using what device?
Ammeter
Which of the following would not conduct electricity?
Plastic
Which units are used to measure electrical power?
Watts Click to see the answer
In blue light, what color will a red book appear?
Black
Which of these temperatures occurs on Mercury?
Both extremes
Who was the first woman to win a Nobel Prize?
Marie Curie
How do atomic bombs work?
Atomic fission
What does nanotechnology deal with?
Very small things
Uranus' tilt is thought to be due to a collision with what, soon after its formation?
Another planet
Planets that are giant balls of gas with hot liquid centers are called what?
Gas giants
Microwaves are used for satellite communications because they are not what?
Refracted by atmosphere
Within the Universe, which of these entities is independent of any frame of reference?
Speed of light
Spinning a magnet in a coil of wire generates what?
A current
What charge do electrons have?
Negative
Who allegedly said 'There is no great genius without a mixture of madness'?
Aristotle
Electric current is a flow of what?
Charge
Which of these is not a source of electrical energy?
Plants
Which of these substances has the greatest density?
Gold Click to see the answer
The intensity of illumination is referred to as which SI unit?
LUX
Which of these is NOT one of the four fundamental forces that act on all matter?
Strong thermal force
Within what range of wavelengths is radiation in the form of visible light created?
430 to 750 THz
Which of these surface combinations would create the most friction?
Rubber on wood
Signals can pick up random additions on their way to a receiver. What is this called?
Noise
Which of these is a prominent constellation named after a hunter in Greek mythology?
Orion
You can extend battery life by storing them how?
At low temperatures
What will reduce the voltage induced in a coil by a magnet?
Using a weaker magnet
Which word completes the sentence 'A reflection is to light as an ... is to sound'?
Echo
Heat from the fuel is used to boil water in which kind of power station?
Nuclear
Which statement about transformers is correct?
AC
Why airplanes fly is explained in Bernoulli's?
Principle
Which type of radioactive particles pass through the skin most easily?
Gamma
In physics, a 'Newton' is a measurement of what?
Force
On a circuit diagram, which item can be represented by a circle with a diagonal cross in it?
Bulb
Which of these is a primary color of both light and pigment?
Red
How many planets are there in the Solar System?
8
How old is the world's oldest known plant?
43,000 years
What kind of lens does a magnifying glass have?
Convex