Chemistry
What are the three states of matter?
Solid, liquid, gas
What category of animal eats only plants?
Herbivore
What is the hardest known substance?
Diamond
What % of Earth is covered by ocean?
70%
Which is the hottest planet in our solar system?
Venus with a surface temp of 464°C
Which scientist created the first periodic table?
Dmitri Mendeleev
Which human body system is responsible for excreting waste products?
The excretory system
Where does sound travel faster? Water or air?
Water
What would happen to prey population if the predator population decreased in an ecosystem?
The prey population would increase
True of False: There is no gravity in space.
False. All matter pulls all other matter towards it, this pull is what we call ‘gravity.’ In space, this pull is just much weaker because you are further away from other matter.
What is the name of the type of substance shown on the periodic table?
Elements
Give an example of a producer found in a food web.
Any organism (plant) that can produce its own energy.
What is the law of conservation of energy?
How many species of fish live in the Great Barrier Reef?
1625 species! (closest)
True or False: Einstein hated wearing socks.
True! Einstein hated wearing socks as his big toe put a hole in them, so he went without - even at formal events.
What evidence might you look for to prove that a chemical change has happened?
One of: Bubbling, fizzing, colour change, temp change, new substance, odour, sound or light
What does the Scoville Heat Unit measure?
The spiciness of chillies
If you mix all of the colours of LIGHT together, does it make white light or black light?
White
500 Volts (closest answer)
What fruit is famously credited with sparking Isaac Newton’s thoughts on universal gravitation after he observed one falling from a tree at Woolsthorpe Manor?
An apple
Which elements are contained in C6H12O6?
Carbon, Hydrogen, Oxygen
What is the largest living structure on Earth?
The Great Barrier Reef
What is the name of the closest layer to us in the atmosphere?
Troposphere
What are Earth's four spheres?
Water - H....sphere
Soil/rocks - L....sphere
Living - B..sphere
Air - A...sphere
Hydrosphere, lithosphere, biosphere, atmosphere
In Albert Einstein's famous mass-energy equivalence formula E = MC2 what physical constant does the letter 'c' represent?
Speed of light