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We observed that the marbles that we experimented on the carpet, it could only reach the end if it had a slightly harder push off and the rulers had to be downhill instead of flat ground. Up on the desks, it was easier for the marbles to reach the end. This was because in the middle of the ‘track’ they sped up because it was slightly tilted which helped the marble to reach the end (3 metres). On concrete none of the marbles reached 3 metres. We have observed that since we tilted it higher than usual. We made the metre rulers stay upon the concrete steps. The marbles had a harder time to stay in the middle so they would roll off the rulers.

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We did the experiment by taping 3 1 metre rulers together. Then we tested how long a small and big marble can roll. The first attempts were on Carpet. Our attempts on carpet weren’t on flat ground. It was slightly made downhill so we carried on doing downhill for the rest of our attempts. We made the marble roll by rolling the marble in the middle of the ruler (where it had access to roll). While it rolled we kept an eye on the marble just to see where it would stop. Once the marbles would stop, we would look at the ruler to see how far the marble went.

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We can conclude from our results and all of our attempts, that the marbles can only roll and reach the end depending on what the surface is. Just like the concrete, none of our attempts reached 3 metres. The marbles only roll faster on inclined surfaces rather than flat grounds.

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1st Attempt- 1 m

2nd Attempt- 66 cm

3rd Attempt- 67 cm

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1st Attempt - 2 m

2nd Attempt - 1 m

3rd Attempt - 1 m and 29 cm

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1st Attempt - 1 m and 16 cm

2nd Attempt - 1 m and 27 cm

3rd Attempt - 1 m and 28 cm

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1st Attempt- 3m

2nd Attempt- 3m
3rd Attempts- 3m

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1st Attempt - 2 m and 41 cm

2nd Attempt- 1m 16cm

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1st Attempt - 2 m and 33 cm

2nd Attempt - 3 m

3rd Attempt - 3m

4th Attempt- 3 m

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1st Attempt - 3m

2nd Attempt - 1m 73cm

3rd Attempt - 1m 55cm

4th Attempt - 2m

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1st Attempt- 88 cm

2nd Attempt- 1 m 1 cm

3rd Attempt- 1m 9cm

AVERAGE:

0.77 m

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1st Attempt- 1 m 64 cm

2nd Attempt- 87 cm

3rd Attempt- 79 cm

AVERAGE:

1.1 m

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Next time we might want to see if it can balance on a straw without any support

We want to experiment how long or fast can a marble roll/twirl. On different surfaces.

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Evaluation-What were the problems we came across?

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Evaluation-What were the problems we came across?

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1. We didn't have enough rules to measure how long the marbles roll

2. Sometimes the marble would stop when it came across the sticky tape

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1. My group was very co-operative and they were very helpful in measuring.

2. The thing that really went well was that the experiment was successful and we got to go through with all of our attempts easily and quickly.

3. When we were doing our experiment, everyone in my group was willing to do things such as rolling the marbles and measuring (saying the measurement).

4. No-one was distracted and no-one was off task.

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Ingredients:

Water- TAP from CLASS

Balloons-Mikayla

Food Colouring-Liezl

Freezer-SCHOOL

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fun to do with your kids or to decorate your garden

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Put it in any liquid to see if it can bounce or if it just floats.

How far it can roll.

How high it can bounce.

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Spangler Hands-on Science Workshop for Teachers

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It looks like a ordinary glass of water... crystal clear water. But hiding just below the surface of the water are an amazing collection of large, jelly-like marbles that become invisible when submerged in water. The Jelly Marbles become invisible due to an identical index of refraction with the liquid.

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If the marble can melt easily-put it in hot liquid or fire.

How long the marble can spin.

If you can smoothen a glass marble. Can it roll?

If it can balance on a straw.

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Loud banging sound when bounced

Makes soft sound when flicked

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The marble can bounce.

The marble can roll.

The marble can spin

The marble can turn.

You can throw the marble in the air.

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I wonder why marbles are hard to break.

I wonder why marbles were made.

I wonder why there is something inside the marble.

I wonder why the marble is bouncy.

I wonder what the thing inside the marble is made of.

I wonder if there is any liquid inside the marble.