Water Resistance

We have been learning about water resistance and what shapes float on water and how many marbles they hold if they floated.Water resistance pushes against gravity, similar to air resistance,but takes place in water. This is part of what helps boats to float.
Part of the experiment was shaping plasticine into different shapes to see if they floated. We had a range of shapes, including flat discs and boat shapes. If they floated we then added marbles to test the weight they could hold.

Raging Rivers

This week within 5J we have further developed our understanding of rivers and how they work. We have discovered that rivers are split into three main parts. These are the upper, middle and lower course. These three areas of the river have specific features that are mainly found within them.

I’ll let Emily explain.

Upper Course

The upper course of the river is the first part of the river and were it starts. The course starts at the source, this leads to ground water then to springs and then the springs go on to form streams.

Middle Course

On either side of the middle course there are floodplains that flood due to heavy rain quite often. Sometimes a river (a tributary) can join another river. Sometimes there are meanders in the river, which are bends. If a river floods the neck of a meander will become flooded as well.

Lower Course

The lower course of the river leads to the mouth which leads off into the sea, estuary or channel. The lower course has bigger meanders. It also has lower energy which means it carries less materials, it deposits some of its soil which forms small islands or deltas.

Opening of our topic

To introduce the topic we have looked at the water cycle and and the parts of a river. Some of the key terms that we have learnt are:

• Source – this is where the river begins
• Rivulets – these are the small trickles of water that are found at the source of a river
• Stream – these are small flows of water that join on to a river
• Waterfall –  this is were water flows over the top of a rocky edge falling downwards.
• Meanders – the bend within a river.
• Ox Bow lake –  this is where the river floods at a meander creating a new path for the water. This continues until the water cut the bend off and it becomes a lake.
• Mouth –  this is where the river ends and usually leads to the sea.

The Star Center and follow up visit

Last Monday, 5J went to the Star Center in Keighly. The children written recounts of their trip and we have picked one to share with you on our blog. Here is Poppy’s recount.

Yesterday, we had to get up really early to catch the coach to the Star Center

At 7:30am we were all here. After we waited for everybody we got on to the coach, with cup holders and foot rests, then fastened our seat belts. After a while, we reached our destination, Keighly College. We went into the college and was introduced to two people, Becky and Bernard. Then we went to the toilet after the long trip.

Then we hung our packet lunches up up on the pegs or in the cupboards. We went into the briefing room to have an interesting introduction to space. They told us how many kilometers are in a light year and how far the nearest galaxy is to us. They then split us up into 2 groups. Groups Mars and Jupiter, were the names we chose for our groups. I was in group Mars. First group Jupiter went in the cosmodome and Mars went in mission control. Then we swapped over after half an hour but team Mars got more time in the cosmodome because the projector broke.

Then we went back to the briefing room to have our dinner. I was next to Lacey and Kieran. We then went into a space pot and we were in our two groups again. We went into 3 labs, science, robtics and hunting aliens. Then we went back into the cosmodome and looked at the stars on the northern hemisphere and the Milky way line. Then it was time to go home. When we got off the bus it felt funny because it was warm on the bus and cold outside.

Safer Internet Week.

This week across the school it has been Safer Internet week. We have been looking at how we can keep safe on the internet and what we can do if we see or hear something we don’t like.

We have completed several activities around this topic.

Firstly, created our share a hearts, which explained the pledges we made to stay safe on the internet.

As a class we picked two winning hearts, they were Zane and Kieran, and Jake and Luke.

We have also created posters that explain how to conduct yourself online. These included pieces of advice for other children if they were stuck on what to do if they saw something they didn’t like online.

The advice that we included was;

• Don’t give out personal details.

• Stop it, block it, flag it.

• Ask before posting or sendingpicture of your friends, even if you are on it!,

• Don’t be afraid to report someone.

We also looked at the SMART rules for being safe on the web. Smart stands for; safe, meeting, accepting, reliable and tell.

Robert Neubecker

Over the last few weeks in 5J, we have been looking at the illustrator Robert Neubecker. We have learnt about his life and some of his work.

This week we have created a Robert Neubecker inspired piece of art. The children have drawn and painted a space shuttle, which they have then cut out and added to a painted background.

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