Chemistry
Optics
Biology
Climate Change
100
A solution that has a pH higher than 7
What is a basic solution?
100
This lens is also known as a converging lens
What is another name for a convex lens?
100
What is a centriole?
100
It is a process which traps radiation in the atmosphere to keep earth in a warm temperature range
What is green house effect?
200
One (or more) atom(s) that has gained or lost electrons
What are ions?
200
This part of an eye gives the eye it's colour
What is an iris?
200
The final stage of mitosis, in which the separated chromosomes reach the opposite poles of the dividing cell and a new cell wall begins to form between the two daughter cells
What is telophase?
200
The amount of carbon dioxide emitted due to the consumption of fossil fuels
What is carbon footprint?
300
Fe + O2 > 2Fe2O3
4Fe + 3O2 > 2Fe2O3
300
An area with no matter
What is a vacuum?
300
A living barrier of a cell, it determines what materials can, or cannot, enter or leave the cell
What is a cell membrane?
300
It is caused or influenced by humans
What is anthropologenic?
400
This group in the periodic table has low reactivity, are odourless and colourless
What are some characteristics of the Noble Gases on the periodic table?
400
It is the electromagnetic wave with the least amount of energy
What are radio waves?
400
It is capable of giving rise to more cells of the same type
What is a stem cell?
400
The emission of high energy in the form of rays or waves that cause ionization
What is radiation?
500
Used to seperate reactants as well as products in a word and chemical equation
What is "+" sign used for in a word and chemical equation?
500
Light will not refract in water at this angle
What happens when light hits water at a 90 degree angle? (Along the normal)
500
It protects the inside of our nose, ears, and around our eyes from dust and other small particles
What does hair protect you from?
500
Anything that absorbs more carbon than it releases
What is carbon sink?
