Math Mystery Box
Science Mystery Box
Fractions
Space
Light
100
Which number doesn't belong and why?
14, 25, 28, 35, 49, 70
14, 25, 28, 35, 49, 70
all are multiples of 7 except 25.
100
What is the coloured part of the eye called?
The iris
100
For which fraction operations do you need to find a common denominator for?
+, -, times, divide
+ and -
100
What is the name of the method astronomers use to know how far a star is away from Earth?
Parallax
100
What type of light has the shortest wavelength?
Gamma rays
200
Which number doesn't belong and why?
3.14, 0.6666..., 1.2991043781249877, 0.82998723948..., -7/4
Only one of these is irrational!
0.82998723948...
200
Newton's 3rd Law says for every action force there is an __________ and ____________ reaction force.
Newton's 3rd Law says for every action force there is an equal and opposite reaction force.
200
What is the missing number in the following equation?
3/8 - ? = 5/8
3/8 - (-2/8) = 5/8
200
On a rocket, what rocket system sits directly under the payload?
The guidance system
200
Sound waves, like light waves, experience the Doppler Effect. When an ambulance is driving away from you, the sound waves are ___________ than normal and so the pitch (musical note) that you hear is ____________ than the ambulance driver hears.
Sound waves, like light waves, experience the Doppler Effect. When an ambulance is driving away from you, the sound waves are longer than normal and so the pitch (musical note) that you hear is lower than the ambulance driver hears.
300
The area of the blue square is 100.
300
I stir a bunch of salt into a cup of water, and it dissolves. I put a bunch more in and stir, but now it doesn't all dissolve. We say that this solution of saltwater is _____________.
I stir a bunch of salt into a cup of water, and it dissolves. I put a bunch more in and stir, but now it doesn't all dissolve. We say that this solution of saltwater is saturated.
300
I worked for 45/6 hours this weekend. How many hours did I work (as a mixed number - simplified as much as possible)?
45/6 = (42 + 3)/6 = 7 3/6 = 7 1/2
300
What is the name of the "law" that is responsible for rockets being able to force themselves upwards into space with thrust?
Newton's 3rd Law
300
When a star is moving towards you very quickly, it's light waves appear LONGER/SHORTER and as a result the star's colour looks more ___________.
When a star is moving towards you very quickly, it's light waves appear SHORTER (compressed) and as a result the star's colour looks more blue.
400
Which of the following numbers doesn't belong and why?
10, 0.0064, 200, 8100, 100
10 - it's the only number that is not a perfect square!
400
What was the name of the astronaut that talked to us yesterday about learning and failure?
Jeremy Hansen
400
Solve the following and simplify as much as possible:
1/2 div 3/4 times 5/6
1/2 div 3/4 times 5/6 = 1/2 times 4/3 times 5/6
= 20/36 = 10/18 = 5/9
400
What are the 4 rocket systems?
Structural, Propulsion, Guidance, Payload
400
Edwin Hubble showed evidence that the universe was expanding - in particular, that galaxies all appear to be moving away from us! How did Hubble know that galaxies appeared to be moving away from us?
He used the Doppler Effect ("redshift"). All galaxies appear to have more red light (stretched) which indicates they're moving away from us.
500
If you had a bill of $54 at a restaurant and needed to pay a 15% tip, how much of a tip would you pay?
$8.10
500
Sometimes planets seem to "go backwards" in the sky for a few weeks, and then forwards again. This type of motion is called ________________.
Retrograde motion
500
What is the missing fraction?
2 1/3 - ? = 5 2/3
2 1/3 - (-3 1/3) = 5 2/3
500
What are the 4 stages of rocket launch?
Liftoff, ________, __________, _________
Liftoff, powered ascent, staging, cutoff
500
Spectrum B!