Biology
Optics
Chemistry
Climate Change
100
Smallest unit of structure and function of a living thing
What are Cells
100
An object that can produce its own light
What is Luminous
100
A positively charged subatomic particle in the nuclei of atoms
What is a proton
100
The environmental conditions that occur at a particular place at a particular time
What is weather
200
A group of cells working together
What is Tissue
200
-The muscle which controls how big the pupil is and how much light is being exposed to the retina . (e.g. Like a camera lenses aperture ring) What is the Iris
200
A physical change in state, in which a liquid turns into a solid
What is freezing or solidification
200
Observed increases in Earth's average annual temperature
What is global warming
300
Only in animals; used by the cell to organize the chromosomes during cell division
What is the Centriole
300
When light bounces off of an object, but the object is not shiny
What is Diffuse Reflection
300
The chemical name corresponding to the chemical formula F2
What is Fluorine gas
400
The largest organ in the human body
What is Skin
400
The law in which states; when light hits a mirror, the angle of incidence equals the angle of reflection
What is Law of Reflection
400
Balance _KBr + _Cl2 -> _KCl + _Br2
What is 2 KBr + 1 Cl2 -> 2 KCl + 1 Br2
500
The phase in which chromosomes reach the poles and the nuclear membrane reformsWhat is Telophase
500
Light travels through a mystery material with a speed of 1.7x108 .What is the mystery material?
What is Sapphire
500
The common name for this acid is stomach acid, and the chemical formula is HCl(aq)
What is hydrochloric acid