Examlex
An electron has a relativistic momentum of 1.1 × 10-21 kg ∙ m/s. What percent of its total energy is its kinetic energy? (melectron = 9.11 ×10-31 kg, c = 3.0 × 108 m/s)
Occlude
To stop, close up, or obstruct the passage of something.
Object Permanence
The understanding that objects continue to exist even when they cannot be seen, heard, or touched, a cognitive development concept in infants.
Kaleidoscope
A tube containing mirrors and pieces of colored glass or paper, whose reflections produce changing patterns that are visible through an eyepiece.
Habituation Research
The study of how organisms decrease response to a repeated stimulus over time, a fundamental form of learning.
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