Product (Biology)


 

A mini nursery

 

Merely dirty

 

Night and day

 

Weather observation with the Cobra4 Mobile-Link

 

Mirror your tongue

 

Teamwork

 

A matter of taste

 

Very close

 

Feeling fine

 

Hot or cold

 

Sound waves

 

Music

 

Orientation

 

A look at your eye

 

Near and far

 

The upside down candle

 

Blind spot

 

Two eyes see more than one

 

A useful trick

 

Temperature sensitivity of the skin

 

Spreading of smells

 

Tactile sensitivity

 

Vibrations in the air

 

Lens shapes

 

A look at shapes and colours

 

Measurement of respiratory volume

 

Calibration of a thermometer

 

Temperature measurement

 

Temperature of mixture

 

Wool as thermal insulator

 

Air (feathers) as thermal insulator

 

Thermal insulation

 

Heat of evaporation of water

 

Heat of evaporation of spirit

 

Lowering of the melting point with salt

 

Ice floats

 

One magnet, five metals

 

The divided magnet

 

Absorption of thermal radiation (light)

 

Thermal convection in water

 

Thermal conduction in glass and metal

 

Thermal conduction in water

 

Production of gypsum plaster

 

Processing of gypsum

 

Plaster moulds

 

The sinking of a paper clip

 

The soap boat

 

We study a flower

 

Calibration of a force measuring instrument

 

The two-sided lever

 

Save energy, use pulleys

 

Soil aeration

 

A quick run trough

 

Underfoot forces

 

The magic wand

 

A balloon in a flask

 

The postcard trick