Biology- Tissues, Organs and Systems of Living things
Physics- Light and Geometric Optics
Chemistry
Climate Change
100
The living boundary of the cell
What is the cell membrane?
100
Light produced by living things 
What is Bioluminescence?
100
Formula for Magnesium Sulfide
What is MgS?
100
The average weather conditions that occur in a region over a long period of time, usually a minimum of 30 years 
What is Climate
200
Two chromosome copies move away or apart from each other
What is Anaphase? 
200
The attitude of the image in a pinhole camera
What is inverted/upside down? 
200
The name of this symbol 
What is biohazardous infectious material?
200
When atmospheric gases trap heat from surfaces of Earth
What is the greenhouse effect? 
300
The process by which atoms, molecules, or ions enter a bulk phase
What is Absorption?
300
Wherever the light bounces off from, the light will reflect 
What is the first law of reflection? 
300
The name of HCl(aq)
What is hydrochloric acid?
300
Latutude, air masses, elevation, and nearness to water
What are the 4 main factors that affect climate
400
The similarity between normal cells and cancer cells 
What is that they both make exact copies of themselves through mitosis? 
400
Measuring speed of automobiles, monitoring aircrafts in flight, mapping objects in space 
What are the uses of microwaves?
400
The taste of Bases
What is bitter? 
400
Gases created by human activities 
What is anthropogenic?
500
The amount of cells a person has in their body
What is 100 trillion?
500
Cells that allow you to see colours in bright light
What are cone cells? 
500
The chemical equation for: calcium chloride solution+sodium sulphate solution-->calcium sulphate solid+sodium chloride solution
What is CaCl2(aq)+NaSO4(aq)-->CaSO4(s)+NaCl(aq)
500
Stores natural information that we can measure today that tell us the past climates in areas
What are proxy records 