Supplies:

• Penny

• Plastic water bottle

Steps:

• Poke a hole in the bottle cap with a pencil

• Slowly add water drops onto the penny

• Count how many drops you can get onto the penny before they roll off!

Concepts learnt:

• Basic properties of water: cohesion, adhesion, and surface tension

• Water striders are able to effortlessly glide across surfaces of water because of the water's unique properties

Supplies:

• Ice cube

Steps:

• Leave the ice cube out, and watch it melt

• Think about why ice melts

Concepts learnt:

• Definition of exothermic and endothermic energy

• Many phenomena that occur around us can be attributed to exothermic and endothermic reactions

Supplies:

• Water

• Oil

Steps:

• Mix equal amounts of water and oil in a cup

• Observe what happens to the oil and water after mixing

Concepts learnt:

• Polarity of molecules

• Definition of emulsion

Supplies:

• 2 cups (one with water, one empty)

• Washable marker

• Napkin

Steps:

• Draw a line down the middle of the paper strip

• Place each end of the paper strip in both cups

• Observe what happens to the marker line over time

Concepts learnt:

• Capillary action

• Cohesion and adhesion

Supplies:

• Ice

• Hot water

• Clear glass

• Saran wrap

Steps:

• Pour hot water into a clear glass cup

• Quickly cover the top with Saran wrap

• Place ice cubes on top of the Saran wrap

• Watch as a cloud forms inside the glass within seconds!

Concepts learnt:

• Condensation

• Cloud formation

Supplies:

• Water

• Plastic comb

Steps:

• Run comb through hair

• Turn on faucet

• Place comb near stream of water

• Watch what happens to the water!

Concepts learnt:

• Static electricity

• Charge