9J Space

Which one of these statements are TRUE about the electro magnetic spectrum?
Gamma rays have the longest wave length
We can see all parts of the electro magnetic spectrum
They all travel at the same speed
None of the parts of the electro magnetic spectrum can be seen with the naked eye
Titan is the moon of which planet?
Saturn
Jupiter
Earth
Venus
On the formula triangle, what are the two at the bottom of the triangle
Mass and weight
Weight and gravity
Only mass
Mass and gravity
Which one of these are NOT one of the uses of Gamma Rays?
Detecting bombs
Killing cancer cells
Making nuclear energy weapons
Sterilising surgical instruments
Who was one of the first scientists who came up with a theory about space?
Ptolemy
Aristotle
The Catholic Church
Copernicus
If a person is 45kg, how much would he weigh in Newtons?
4,500N
45kg
450N
45g
Which one of these statements are NOT TRUE?
X-rays have the second highest frequency in the electromagnetic spectrum
Only certain cameras can see the part of the electromagnetic spectrum that we can't see
Radio waves have the longest wave lengths
The gravitational force on Earth is 15N
Which planet is closest to Earth?
Neptune
Venus
Mars
Mercury
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