Climate Change
Physics
Biology
Chemistry
Random
100
What is the difference between weather and climate
Weather is short term, climate is long term
100
What is force?
A push or pull
100
What organelle is the 'powerhouse of the cell'?
Mitochondria
100
When a liquid is changed to a solid it is called?
Freezing
100
Name the two gasses we breathe in and out.
O2 (oxygen) and CO2 (carbon dioxide)
200
What is it called when solar radiation is trapped by the atmosphere?
Greenhouse effect
200
What type of force is this a picture of?
Static electricity
200
What is the largest bone in the human body?
Femur
200
What is the difference between a molecule and a compound?
Molecules are atoms of any type bonded together, compounds are 2 or more different types of atoms bonded together.
200
What is the third planet from the sun?
Earth
300
What is the name of the main gas that is responsible for global warming?
Carbon Dioxide
300
What is Newton's 2nd Law (equation)
F = ma
300
What is the name of the process by which organisms maintain a stable internal environment?
Homeostasis
300
When a liquid changes to a gas it is called?
Evaporation
300
Ture or False:
The greater the surface area is, the more air resistance there is.
True
400
What is the ability of a surface to reflect sunlight called?
The albedo effect
400
What is friction?
A force that exists between two sliding surfaces.
400
What is the process by which plants bend towards light over time?
Phototropism
400
What is the name of the lightest element?
Hydrogen
400
How do plants get energy?
Photosynthesis
500
What is a fossil fuel?
An energy producing substance derived from preserved organisms.
500
What is required for there to be a change in the motion of an object?
Unbalanced force
500
How many pairs of cranial nerves are there in the human body?
12 Cranial Nerves
500
What are the reactants in the following chemical equation: 2 HCl + 2 Na --->2NaCl + H2
2 HCl + 2 Na
500
What is the speed of light?
300,000,000 m/s