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Investigating the specific heat capacity
Investigating the resistance of a length of wire
Investigating I-V characteristics
Investigating series and parallel circuits
Investigating the densities of solids and liquids
Investigating elasticity
Investigating force and acceleration
Investigating waves in different materials
Investigating infrared radiation
A cavity with a small hole in it. Light will enter through the hole and reflect inside the object. The hole is so small that it won't travel back outside.
Objects emit all types of electromagnetic radiation (black body radiation) due to their thermal energy stores. Therefore black body radiation depends on temperature.
Black body radiation is the spectrum of light emitted by an object. This depends on the temperature of the object.
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