Biology
Optics
Chemistry
Climate Change
100
Chloroplast
What is the cell part that is labelled as 12?
100
The first refracting medium of the eye is sometimes called the “window of the eye.” 
What is number 1?
100
KClO3 is the chemical symbol of this compound.
What is the chemical symbol of potassium chlorate?
100
The environmental conditions that occur at a particular place at a particular time, this includes air pressure, cloud cover, and precipitation.
What is weather?
200
Centrioles are used in cellular division to organize the cell.
What cell part is used in mitosis to organize the cell?
200
Light can be absorbed, reflected, or transmitted.
What three things can happen to light that strikes an object?
200
This type of reaction is called synthesis.
A compound and an element react together and form what type of reaction?
200
A layer of gas with a pungent odor but protects us from the sun's UV rays.
What is the ozone layer?
300
It covers organs both inside and outside your body. It helps keep out germs and protects you from injury.
Where is epithelial tissue located and what does it do?
300
Size- Same as an object
Attitude- Upright
Location- Behind the mirror, the same distance as the object
Type- Virtual
What are the characteristics of an image in a plane mirror?
300
FeCl3 (aq) + 3NaOH (aq) ---> FeOH3 (aq) + 3NaCl (aq)
What are the products of iron (III) chloride solution and sodium hydroxide solution? Write it in a balanced chemical equation.
300
Atmospheric gases that trap (or reflect) heat.
What is greenhouse gases?
400
Can form specialized cells when exposed to the proper environmental conditions, or they can remain unspecialized and actively dividing for long periods. It is currently being researched to treat injuries (such as spinal cord injuries) and diseases (such as Alzheimer's disease).
What do stem cells do and what are scientists researching about them?
400
The eye is slightly longer than normal. Light rays converge at a point in front of the retina.
What is nearsightedness?
400
Carbonic acid (H2CO3) and phosphoric acid (H3PO4) are used in this.
What acids are used in sodas/soft drinks?
400
A measure of the ability of greenhouse gas to trap thermal energy in the atmosphere.
What is global warming potential?
500
The fluids (blood) never leave the vessels (e.g veins, arteries)
What does closed circulatory system mean?
500
Reflection of light inside an object so that light stays within that object.
What is an internal reflection?
500
Chemical A is neither an acid, base, or neutral chemical. It is a non-existent chemical because is has properties of both acids and bases and that is impossible. Also neutral chemicals have neither acid or base properties.
Chemical A does not corrode metals and turns blue litmus paper red. Is Chemical A an acid, base, neutral, or none of the following?
500
How much of a light that hits a material is reflected, high surfaces reflect a lot and low surfaces don't reflect much.
What is albedo?