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Boundless Microbiology
69
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Boundless Physics
55
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Boundless Chemistry
54
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Make a Sundial
4
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Atmospheric Gases and their Cycles
113
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Energy of Ocean Waves
114
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Modeling the Solar System
113
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Food Science Activity Guide
132
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Evaporation Experiment
148
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Simple Machines
131
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Rainbows
198
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Refraction and the Reappearing Coin
167
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Optics
146
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Naming Acids
124
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Bronsted-Lowry Acids and Bases
94
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Transition elements
102
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Boyle's Law
110
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Charles' Law
113
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Behavior of Gases
97
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Structural Biochemistry/Chemical Bonding
113
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Quantum numbers
109
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Quantum numbers, orbitals, and probability patterns
103
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Light and the Atomic Spectra
77
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Bohr's Atomic Model
56
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Rutherford's Atomic Model
82
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Dalton's Atomic Theory
74
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Chemistry
75
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Introduction to Matter
64
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Physical and Chemical Properties of Matter
60
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Ethanol
129
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Copper - The Ancient Metal
134
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Circuits
129
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