Biology
How many bones do sharks have?
Zero
What element is the most commonly used to create nuclear energy?
Uranium
Name 4 examples of electromagnetic radiation. All 4 examples to get the points.
Infra red, Ultraviolet, Gamma rays, Visible light, X rays, radio waves.
Are the sun and moon the same size? Explain your answer.
No. The sun is much larger than the moon, but because it’s farther away, both appear to be the same size in the sky.
No. The sun is 400 times larger than the moon, but because it’s 400 times farther away, both appear to be the same size in the sky.
Where on the human body are the most sweat glands?
The palms of the hands and soles of the feet.
What is the symbol for iron on the periodic table?
Iron
What is the splitting of atomic nuclei called?
Fission
How long does it take for the International Space Station to orbit the Earth?
90 minutes
Which chemical in the brain is associated with cell phone addiction?
Dopamine or will accept GABA
What is the most abundant element in the Earth’s crust?
Oxygen
Atoms of the same chemical element but with different atomic masses are known as what?
Isotopes
The Indian Space Research Organisation(ISRO) is using UDMH fuel (Unsymmetrical Di-Methyl Hydrazine), along with the oxidiser nitrogen Tetroxide for the rockets. Which fuel did NASA use to burn with oxygen to send its Space Shuttle to space?
Hydrogen
How do you determine the age of a tree?
Count its growth rings
What do you call the subatomic particles that make up protons and neutrons?
Quarks
The higher the frequency of waves, the _____ the wavelength.
Shorter
What color is the sunset on Mars?
Blue
What is the name of the red pigment found in vertebrates that functions in oxygen transport?
Haemoglobin
Which group has a tendency to form salts with group 1 Alkali Metals?
Halogens
What’s a lunar eclipse?
When the Earth is in between the sun and the moon so that shadow of the earth covers the moon.
Roughly how long does it take for the sun’s light to reach Earth?
8 minutes and 20 seconds.
7-9 minutes accepted.