A clear glass window or a clean glass of water.
Transparent
A solid brick wall that you cannot see through.
Opaque
A measuring cylinder filled with water to a specific line.
Volume
A balance scale with a heavy rock on one side and a feather on the other.
Mass
A person sliding on grass versus a person sliding on ice (rough vs smooth).
Friction
A pile of iron nails or steel paperclips.
Magnetic Materials
Two magnets with the same poles (N and N) pushing away with arrows.
Repulsion
Two magnets with opposite poles (N and S) snapping together.
Attraction
A puddle on the ground getting smaller under the sun.
Evaporation
Steam rising from a cup of cocoa into the cooler air.
Heat Loss
A thermometer showing a high or low reading in Celsius.
Temperature
A picture comparing a flat, unfolded piece of paper vs. a crumpled ball.
Surface Area
A wooden spoon, a rubber glove, or a plastic handle.
Insulator
A metal spoon or a copper wire.
Conductor
A caterpillar and a cocoon or chrysalis (pupa).
Larva / Pupa
A circular diagram showing the stages: Egg → Larva → Pupa → Adult.
Life Cycle
