Chemistry
Climate Change
Physics
Biology
Miscellaneous
100
The far right column on the periodic table of elements, containing such elements as xenon and radon, is otherwise known as this.
What is the noble gases?
100
This substance within the stratosphere protects us from harmful UV rays from the Sun, and is slowly disappearing.
What is ozone?
100
This is the name for light which is produced by friction between certain rocks.
What is triboluminescence?
100
These three types of tissues can be found within a plant, and all perform different functions to ensure the survival of the plant.
What are dermal, vascular and ground tissues?
100
An element's row placement on the periodic table indicates this.
The number of electron shells.
200
This property of any substance is determined by its ability to dissolve in water.
What is its solubility?
200
The process by which glucose and oxygen combine to form carbon dioxide, water, and energy, AND the organisms that perform this process.
What is cellular respiration performed by plants and animals?
200
Age-related vision deterioration is caused by a loss of elasticity in the eye lens, and is otherwise known as this.
What is presbyopia?
200
The largest and most muscular chamber of the heart.
The left ventricle.
200
This organelle is found in plant cells exclusively.
What are chloroplasts?
300
Classify each reaction:
1. CH4 + 2 O2 → CO2 + 2 H2O
2. NaOH + HCl → NaCl + H2O
3. H2 + O2 → H2O
1. Combustion
2. Neutralization
3. Synthesis
300
Two abundant gases in the earth's atmosphere that are NOT greenhouse gases.
Nitrogen and oxygen.
300
When reflected rays diverge, yet the human brain projects these rays backwards to produce an image behind the object, said image is known as this.
What is a virtual image?
300
This is the stage of cell division where it is commonly mistaken that the cell rests idle.
What is interphase?
300
The direction which a light ray moves as it travels from air to glass.
What is towards the normal.
400
Common compound(s) that can form from Iron and Oxygen.
FeO: Iron (II) oxide, and
Fe2O3: Iron (III) oxide
400
The cyclical movement related to the Earth's orbit around the Sun. There are three of them: eccentricity, axial tilt, and precession.
What are Milankovitch cycles?
400
Describe the image formed:
S: Larger
A: Inverted
L: Beyond F' (on the other side of the lens)
T: Real
400
The contraction of this large sheet of muscle expands the lungs during inspiration when one is breathing air in.
What is the diaphragm?
400
Not smoking, eating healthy, wearing sunscreen, living an active lifestyle are all examples of this.
Lifestyle choices that can reduce the risk of cancers.
500
Balance the chemical equation and name its reactants and products.
P4O10 + H2O --> H3PO4
P4O10 + 6H2O --> 4H3PO4
tetraphosphorus decoxide + water --> phosphoric acid
500
The process of warmer, salty surface water flowing within ocean currents to replace fresh sea water is otherwise known as this.
What is thermohaline circulation?
500
If the red lines represent various object locations and the blue lines represent various image locations, the black line represents this kind of mirror.
A diverging or convex mirror.
500
#10 on the diagram below. 
What is the diaphragm?
500
Every chemical equation adheres to this law.
What is the law of conservation of mass?