Electric circuits
Our solar system
Our galaxy
The universe
Grab bag
100
What units do we use to measure electrical resistance?
ohms
100
Most meteors come from which "belt" between Mars and Jupiter?
the asteroid belt
100
The centre of our galaxy is dominated by an object known as Sagittarius A*. What is it?
a supermassive black hole
100
The idea that the universe began as a very hot and dense region is known as what theory?
Big Bang theory
100
The motion of which negatively charged particles is responsible for electricity?
electrons
200
In electrical circuits, what does the symbol I stand for?
current
200
In 2006, Pluto was reclassified from being a "planet" to what instead?
a dwarf planet
200
Galaxies can be categorised by shape. What type is our galaxy?
a spiral galaxy
200
Which attractive force is responsible for the large-scale structure of the universe?
gravity
200
When it is winter in the UK, what season is it in China?
winter
300
What is another word for "voltage"?
potential difference
300
Which chemical element was discovered in the Sun before it was found on Earth?
helium
300
This map shows the night sky divided into sections. Each section is named after what?
a constellation
300
When a star runs out of fuel, it collapses and then explodes. This explosion is known as a what?
supernova
300
How many milliamps are in 1 amp?
1 000
400
What type of meter is this?
an ammeter
400
Beyond Neptune is a ring of icy debris and small bodies known as what "belt"?
the Kuiper belt
400
The Latin name "via lactea" can be translated to what in English?
Milky Way
400
What is the name of the nearest major galaxy to the Milky Way?
Andromeda
400
When an excessive current flows through a circuit, it may heat up and catch fire. What do we call this type of circuit?
short circuit
500
If V=IR, then what do you get when you multiply an amp by an ohm?
a volt
500
How long is a day on the Moon?
a month (29.5 Earth days)
500
We are located in an arm of the galaxy named after which mythical hunter?
Orion
500
About how old is the universe?
14 billion years
500
What is the fastest thing in the universe?
light (or electromagnetic waves)