Chemistry
Physics
Earth Science
Biology
Brain Teasers
100
On the periodic table, which symbol represents the element Iron?
Fe
100
Energy that is stored is known as what?
Potential Energy
100
What is the outermost layer of the Earth called?
The crust.
100
Name an organelle that plant cells have but animal cells don't.
Chloroplast, large vacuole or cell wall.
100
How many months have 28 days?
All of them
200
What is the group on the far right (group 8) of the periodic table called?
Noble Gasses
200
What unit do we measure energy in?
Joules
200
What is Igneous rock formed from?
The cooling of lava or magma.
200
What is mitosis?
Cell division
200
If you only had one match and entered a dark cold room where there is: a) an oil lamp b) a kerosene heater c) some kindling wood Which object would you light first?
The match.
300
What is the process of going from a solid to a gas called?
Sublimation
300
Explain the difference between an energy transfer and an energy transformation?
An energy transfer is when energy moves from one object to another but does not change its form, An energy transformation is when energy changes from one form to another.
300
What two conditions need to be met to produce metamorphic rocks?
Extreme heat and pressure.
300
What is asexual reproduction?
Only one parent, same DNA as parent.
300
A farmer had 17 sheep, all but 9 die. How many did he have left?
9 - all but 9 die!
400
How many particles are in one molecule of water (H20)?
Three
400
What is the law of conservation of energy?
Energy cannot be created or destroyed.
400
What is the innermost layer of the Earth called?
The inner core.
400
Name a form of ART (assisted reproductive technology)?
IVF or cloning
400
How many of each species did Moses take on the Ark?
None - It was Noah's Ark
500
When boiling water how much does the temperature change.
It doesn't.
500
What is the formula for gravitational potential energy?
GPE = MxGxH
500
What causes the continents to move?
Convection currents.
500
Is cloning a dinosaur a good idea or a cool idea?
Cool idea.
500
A ladder off the side of a boat has 3 rungs clear of the water. The rungs are 20cm apart and the tide is coming in at 1m an hour. How many rungs would be clear of the water after 30 mins?
3 - the boat floats
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