Hello, I'm Mrs Enock And I'm your design and technology teacher for mechanisms, levers and linkages.

In today's lesson, we are going to be continuing and finishing our final design and then we will be testing our final design against our criteria.

So we've got a busy and fun lesson today and I can't wait to get started.

In this lesson you're going to need pencils, colouring pens and a rubber, possibly ruler.

And any cardboard that you need to finish your final design, scissors, split pins and ideally something that you can push a pencil into safely without damaging the table.

So for example, a rubber or some blue tackle Play-Doh or a soft sponge.

Please always remember scissors must be used under the supervision of a parent or carer.

So in today's lesson, we're going to recap the design brief and final design.

We're going to summarise our current progress before continuing and completing our final product.

Remember your final product should look very different to mine.

After that, we're going to test our final product against the design criteria.

It sounds like a busy and productive lesson to me.

Okay, here are the words we'll be looking at in today's lesson.

Mechanism.

I will say it, mechanism.

You say it.

Is a device used to create movement in a product.

Lever.

Your turn, super.

Lever, is the rigid bar which moves around a pivot.

We've been using levers a lot in our project, haven't we? Linkages.

My turn linkages, your turn, great.

linkages, are card strips joining one or more levers to produce the required type of movement.

It's time for us to recap on design brief and final design.

The design brief is to design a persuasive picture with moving parts.

So on the back of the picture, we want it to be moving.

The picture must include a lever and linkage to make that so important movement.

And it must also be controlled.

The movement needs to be smooth and controlled.

And we do that by adding a wedge.

On the front of the persuasive picture, we want it to be appealing.

We want it to look attractive to the viewer.

we also need it to be persuasive.

It must persuade the viewer to do, believe or think something, okay, here was my final design.

So I had the final design of the front and the back.

And as we've learned, during the making process, it's okay if our final design has to be changed a little it's part of the design and technology process.

Here's a summary of the progress we've done so far.

Here's the progress of the front of the picture.

We coloured in the pictures and made them move.

We attach them to the levers and we also added the turtle, making sure that it was glued to the lever, not to the picture.

So it was able to move.

So you can see we've got the characters finalised but the background picture clearly needs more work in details.

Which I plan to do in today's session.

Let's look at the progress on the back of our product.

We've actually made both of the mechanisms and they've been tested and adapted when needed to make sure that they are both working.

That the levers are at the back and they've been transferred to the front.

So here's a summary of our progress and next steps.

We hid the mechanisms and made adaptations where needed.

We design the moving pieces and make the adaptations.

So we've made the back lever come through to the front.

So we were able to successfully add the moving picture.

Let's look at the final steps of our product design.

In today's lesson, We're going to complete all the parts of the final product.

And then we're going to check the final product and make the adaptations where needed.

Then we'll be ready to check it against our design criteria.

Now it's a good time for you to pause and reflect on what you've done so far and what your next steps will be in your making process.

Once you've done that press resume and we'll carry on learning together.

Ready? Off you go.

Are you ready to carry on with our learning? Great.

Let's just ask ourselves this very important question.

Did you identify an area for development? Did I design an area for development during my making process? Absolutely yes.

And if you did as well, well done.

Part of being a great designer, is not being afraid to change or develop your ideas.

It's by the adaptation and by that changing process that we can improve a product design.

Okay.

It's now time for us to complete the final product.

This Is a safety warning.

You're going to be asked to you sharp scissors for your next activity.

So if you haven't already, please ask an adult to be present before you start this activity, never use sharp scissors unsupervised.

Okay, so now's the perfect time for you to press pause on the video.

Now that you got everything you need, do all your safety checks and then we'll be ready to start the making process.

Ready? Off you go.

Are you ready to start learning learning? Fantastic.

We've now come to the part that as you can see we finalise the moving pictures and now's the time to start adding extra detail to the background.

So we're going to really focus on the design criteria of making the picture appealing and persuasive.

Now here's a really good example why I drew things in the background to start with.

Even though I joined the plastic bottle, when I moved the fish, I felt it covered it a little bit too much.

So I've made the decision to cut out the plastic bottles and then I can move them where needed.

And this just gives you the opportunity that you can actually play around with your picture.

You can move pictures to make that design work for you.

I've now added some colour to the bottles to try and give that 3D effect.

I'm much happier with that.

Now, earlier we mentioned about the split pin not looking ascetically appealing to look at.

So, I can now start to play around with what I'm adding.

Oh, look, there's my persuasive messages.

Again, I've chosen to prepare them on a separate piece of paper and then cut them out.

This way again, I can play around with where I want them to go.

Making sure that you can still see the message and the moving picture.

So actually I've really liked that, instead of putting it all on one strip, I've made the plastic slightly lower down.

Having a look at how the bottles are and now I'm adding my next persuasive message.

And again, by cutting them out, I can play around with them.

I've started to add the colour that I think I want.

But looking at that, I think I need to make the colours pop out more, to make it more appealing.

When the fish move, everything can still be seen.

And then I can glue down the pictures.

Now with the bottle that's covering the split pin, I have to be very careful to make sure that the mechanism is not compromised.

We still need the mechanism to work.

So as you can see, I didn't put any glue anywhere near the split pin, I've placed it on the outside.

And as you can see, that makes the mechanisms still work.

So I've successfully made the mechanism work but also made it look appealing as well.

Now I've got the design, how I want it.

Now, I feel comfortable to start to add more colour.

I like to use a pattern when I colour in my letters.

I just think it helps gives the picture a sense of structure and makes it look attractive.

Once I've coloured in, I add the black outline again doing everything I can to make the picture appealing.

I am very impressed of how I've added the colour to that.

It really, really stands out.

And because I actually deconstructed all the other parts I had them separate and I put them together.

Any mistakes I had were easily covered and changed.

So now I can draw the outline to make everything pop out.

Use less plastic, save our planet.

I like adding the plastic in the water.

And I like the fact that the pictures are moving and the movement seems controlled as well.

So you can see I'm checking against my design criteria.

Persuasive, appealing, moving parts with control.

I've chosen to add plastic to my picture and I've chosen to use coloured plastic to make it pop out.

Now you'll notice I'm not glueing them down straight away.

I'm cutting and adding, so I can make the adaptations when needed.

Once I've checked the aesthetic part of the picture, it's really important to check that the mechanisms is still working.

And that it's not being compromised by adding detail.

So that's great the turtle is still moving and the fish are still moving.

Okay.

You've just seen me finish my product.

Now earlier, we said you had two choices.

You could either make your product alongside mine or you could begin to make your final product after you've watched me.

So if you haven't made your final product now is the time for you to pause the video finish your final product, and then press resume and we'll carry on learning together.

Okay? Super.

I hope that you've finished your final good product.

Because once we finish the final product we just need to test it against our design criteria.

Let's see, the design brief was to design a persuasive picture with moving parts.

Moving.

Did my picture include a lever and a linkage? Yes, it did.

There were actually two different linkages two different mechanisms. There was a mechanism for my turtle but I had the long movement.

And then there was the mechanism for the fish.

Where I had one input and two outputs.

Controlled.

I feel that my project was controlled.

I feel that by adding the bridges, it made the movements of the pictures much more smooth and controlled.

Appealing.

Did the picture look appealing? I feel it did.

I feel that I worked hard on the design.

I feel that a lot of colour was added.

and I feel that the pictures were high quality.

I feel that I worked hard on them.

I also feel that the wording I used was short and simple and bright.

So it makes it easy for the viewer to look at something.

Finally, was it persuasive? I feel the picture was persuasive.

I feel that there was a strong message persuading people to use less plastic.

And I used the emotional attachment of the sea creatures and having the plastic on them and seeing the plastic in the ocean would give a strong visual influence, as well as reading the written word of save our oceans, use less plastic.

Now it's time for you to test your final product against the design criteria.

So it's really important that you ask yourself this honest question.

Did I meet this criteria? Once you've done, press resume and we'll carry on learning together.

Okay.

We can now ask ourselves this question.

Did your project match the design brief? Point yes or no.

Well done if it was yes.

That means you've really followed your design brief and you've produced the product that was required.

If you didn't please, don't worry.

Being a great designer is about not being afraid to go back and make changes to your design if needed.

Well, let's see exactly what we covered in today's lesson.

We recapped on the design brief and final design.

We summarise our progress, and then we completed the final product of a persuasive picture.

After that we tested the final product, against the design criteria.

I don't know about you, but I feel that we've had a fantastic productive lesson and you should be so proud of yourself for today's work.

If you have anything that you'd like to share with Oak Academy, it would be amazing to see your finished products.

So if you'd like to, please ask your parents or carer to share your work on Twitter, tagging at Oak National and hashtag learn with Oak, and I really look forward to seeing your final products.

All I have to say is I really enjoyed being your teacher today.

Be proud of yourself and goodbye for now.