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Previous IB Exam Essay Questions: Unit 10
Use these model essay questions and responses to prepare for essay questions on your in-class tests, as well as the IB Examination, Paper 3. The questions below have appeared on IB HL Examinations over the past several years. The answers following the questions are the markscheme ideal responses used to evaluate student examination responses.
Lyndon B. Johnson
?There are no problems we cannot solve together, and very few that we can solve by ourselves.? Lyndon B. Johnson
Name: Lyndon Baines Johnson
Nickname: LBJ
Years in Office: November 22, 1963 to January 20, 1969
Vice President: Hubert H. Humphrey
Political Party: Democrat
Wife: Claudia Alta Taylor
Birthplace and Residence: Johnson City, Texas
A=l x w
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Definition
The longest side of the triangle is called the "hypotenuse", so the formal definition is:
In a right angled triangle the square of the hypotenuse is equal to
the sum of the squares of the other two sides.
So, the square of a (a²) plus the square of b (b²) is equal to the square of c (c²):
a2 + b2 = c2
Sure ... ?
Let's see if it really works using an example. A "3,4,5" triangle has a right angle in it, so the formula should work.
Let's check if the areas are the same:
32 + 42 = 52
Calculating this becomes:
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See reflections in the Babylonian and the Hebrew
Hammurabi was the most famous leader of the Babylonians
Hammurabi ruled from1792-1750 BCE
He published a list of 300 laws, carved into a black basalt pillar 7 ft. high and 2 ft in diameter- erected near the site of Baghdad
Moses claimed to have gotten some of his laws from God while Hebrews wandered through Sinai desert after leaving Egypt
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Chapter1
• Precision vs accuracy
• Sig figs
• Metrics
• Classification of matter
o Pure substances
o Compounds, elements, mixtures
o Examples
o Homogeneous vs heterogeneous mixtures
o Separation of mixtures
• Dimensional analysis (show correct set-up, units, cancellations)
• History of atomic theory
o Dalton model
o JJ Thomson
o Plum pudding model
o Rutherford’s experiment and model
o Millikan’s experiment
• Atomic structure
o Atomic number
o Mass number
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Pages
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