Posts From June, 2014

Light experiment results

We have been looking at what has happened to the plants. At first it looked like the seeds in the cupboard were growing the best which surprised us, but after a couple of weeks this is what has happened:

The plant on the left is the one that was on the window sill. It looks much stronger, is darker green and has bigger leaves. The one in the middle was in the corner of the classroom. It is green and has small leaves. The one on the right was in the cupboard. It is yellow and very tall. We think it grew so tall because it was trying to find light. We think our experiment shows that plants need light to grow healthily.

Light experiment

We are trying to find out whether plants need light to grow healthily. We have put plants in 3 different places and we used a data logger to measure how much light there was in each place.

In the cupboard the data logger recorded 4.5LX


In the corner of the room we measured 45LX and in the window sill we measured 9000LX!

To make sure it is a fair test all the plants will be watered each day. We planted the same seeds in all the pots too - our only variable is the amount of light the plants get.

We have all predicted that the plants in the window sill will grow well, but we aren't sure what will happen to the others - we look forward to finding out!

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