So WHY did that happen?

Think back over the experiments that we have done in the last week.

Choose two or three of these experiments to record in your journal.  
(9 experiment listed below with pictures and some videos)

Experiment Title

1. Draw a diagram of the experiment
2. Write down the main observations you made (what happened, saw, heard, felt, smelt)
3. Explain your ideas about why this happened 

Here is a reminder of the experiments that we have done and some questions to try and answer.

Water Balloon over a Candle

Why didn't the balloon burst?
What happened to all the heat from the candle?
Why didn't the rubber burn?

Title

1. Draw a diagram
2. Report what you observed
3. Explain your thinking

The Relighting Candle

How is it possible for the candles to be relight without putting a flame to the candle wick?
How did the flame jump to relight the candles?

Title

1. Draw a diagram
2. Report what you observed
3. Explain your thinking

The Soda Bottle Water Rocket

Why did the bottle shoot off the cork?

Why did the bottle go a shorter distance when it had more water in it?
Why did the bottle go a shorter distance when it had only air in the bottle?

Why did the bottle shoot the best when it was about half air and water in the bottle?

Title

1. Draw a diagram
2. Report what you observed
3. Explain your thinking

SOUND EXPERIMENTS

• The singing wine glass

  

• Tuning fork in water

• Tin can telephones

• Fork and string to your ear!

• The amazing singing pipe

• Bottle blowing