Treetop Learning Center

Children Toilet for sale!

🔎 Experiment with Air Pressure

Materials: Candle, lighter, water, glass plate, food coloring (optional: for better visibility), glass jar.

How?
Fill the plate with one cup of water, drop few drops of food coloring and stir it well.
Place the candle in the middle for plate and ignite it.
Cover the candle with glass jar and WAIT FOR IT!
PAY CLOSE ATTENTION TO WHAT IS GONNA HAPPEN!

Do you know why? Let your child has a guess!

Why: After the flame heats the air inside the glass jar, hot air expands (but we can’t see with our naked ice). When the flame goes off and air become cooler, it contracts and create a weak vacuum with lower air pressure! Therefore higher air pressure outside the glass jar “force” the water into the glass jar!

🔎 Heavy vs Light

We always tell children an elephant is big and HEAVY; a mouse is small and LIGHT! The best way to learn heavy and light, is to let your child experience weight! But I guess none of us carry an elephant before to really feel how heavy it is right?😂

Let's use what we have! All you need is 2 paper cups, strings and a hanger! Poke 2 holes (1 left, 1 right) on both paper cups, lace a 15cm string through the holes and tie it. Do it for both cups. Hang both cups on two sides of a hanger! TA~DA~ You have a DIY scale!

Let your child get anything that he wants to compare! Put it in the cup, the hanger will tilt to the heavier side! Let him know which is heavy and light. Try getting different things each time! After a few rounds, let him tell you which side is heavy and light!

Children get to learn to estimate amount and if you would like to add on, you can do quantity counting too (using same groups of items). For instance, 5 marble balls are heavier than 3 marble balls!

Have fun!