Experiment #1 - Water Cycles (Cycles)
This is a simple yet effective experiment that helps your child to observe the water cycle pattern.
1. An empty glass jar
2. A kettle/jug of hot water
3. A piece of cling wrap (enough to cover the mouth of the jar)
*ADULT: help to pour some hot water directly into the cool jar.
*CHILD: help to quickly cover the mouth of the jar with the cling wrap. Make sure there are no gaps. Be careful not to touch the body of the jar.
*OBSERVE: Almost immediately, you will notice that the inner surface of the cling wrap gets “cloudy”.
*OBSERVE: Observe again, after the jar has cooled down. (30 min – an hour)
*CHILD: Gently tap on the surface of the cling wrap.
*OBSERVE: Tiny water droplets formed on the inner surface of the cling wrap.
- water from the hot water acts like the Sun’s heat.
- Evaporation (heat gains) occurs.
- Condensation (heat loss) occurs when it comes into contact with the cooler inner surface area of the clingwrap.
- water droplets (clouds) are formed.
- Clouds fall as rain (Precipitation) when they are unable to contain the water droplets.
- The cycle continues.
- It is useful for students to draw out a mind map to link details so they can remember better.
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Experiment #7 - Forces (Frictional Force)
Experiment #6 - Forces (Frictional Force)
Experiment #5 - Forces (Interactions)