Tag: Science

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Orange and water experiment

Title: Orange and water experiment

Hypothesis/Prediction (What I think will happen and why?)

My Hypothesis is that it will sink due to the weight of the orange

Equipment/Materials

A bucket of water and a orange

Method

Fill up your bucket and then grab your orange and see if it sinks or not.

When you see if it sinks or floats, peel your orange and see if it is different to your last result.

Evaluation

When we put the orange in it floated and it was different to my prediction. After we had peeled the orange and put it in it sank so the I was also right.

 

Air pressure experiment

Title: Air pressure experiment 

Purpose:

To understand air pressure.

Hypothesis/Prediction (What I think will happen and why?)

My hypothesis is that the air pressure from the hair dryer will make the ping pong ball float. The reason I think it will float is because the air will be pressing against the light ball that will lift the ball making it float.

I think all that would happen is that the ping pong ball will just float depending on the pressure of the air.

Equipment/Materials

A hair dryer and a ping pong ball.

Method

Grab a hair dryer, and a ping pong ball. Basically all you need to do is plug the hair dryer in, place the ball on top then turn it on. Now the ping pong ball should float.

Discussion

Once I plugged the hair dryer in and turned it on. I put the ping pong ball on it and it started floating. Once it floats for an average amount of time it starts to stay stiff in the air.

 

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