Lesson video

Hi, everyone, I'm Ms. Harris, and welcome to our science lesson today.

How are you? Good, I'm glad.

Should we start today's lesson off with virtual high five? Ready? Three, two, one, go.

Good job.

Should we do another one with the other hand? Three, two, one, go.

Good job.

Today, we're going to be looking at what changes occur to a tomato plant.

So when we plant tomato seeds, they change a lot over a period of time and eventually grow into a plant and grow tomatoes.

How exciting is that? So let's take a look at what else we're going to be doing today.

We are going to be looking at what germination is, making a fact file about tomatoes, looking at a tomato plant growth, looking at what root vegetables are, and lastly, we've got our end of lesson quiz.

You will need an exercise book or a piece of paper, a pencil, a coloured pencil, and your brain.

If you need to go and get any of these things, you can pause the video now.

Great.

So we will be planting a tomato plant today.

So if you would like to take part in this part of the experiment, you can, otherwise you can watch me.

So if you would like to join in, you will need a pot or a container, a tomato, a normal-sized salad tomato, some soil, and some stones.

Don't worry, as I said, if you don't have these things, because you can watch me do it.

If you don't have a tomato, you could also use a strawberry or some seeds from an apple core, okay? So a scientist is a person who studies the world around us, including things living or non-living.

So we are going to be looking at living plants in today's lesson.

They are a living thing.

Now in my background, I have got a particular flower and plant which you can see.

At the end of the lesson, I'm going to ask you to tell me what plant you can see in my background.

So take a good look, keep it in your head, and then you're going to tell me at the end, okay? So let's do our star words now, which are the important words we're going to be using in this lesson.

Let's add some actions.

Are you ready? So my turn then your turn.

Star words, star words, star words.

Your turn.

Fruit.

Roots.

Flowers.

Sown, that means planted, sown.

What does it mean? Planted, good.

Moist.

What does that mean? Moist means wet, moist.

Tomato, hold one, pretend you got one in your hand, tomato.

Germination.

We're going to find out what that means in a moment.

Good job.

So over the last few weeks, we have been looking at the changes which have occurred to our bean plant that we planted in lesson one.

Now, if you didn't plant one, don't worry, because you can still look at my bean plant, which you can see in this picture here.

I would like you to pause the video and draw a picture of your bean plant, or you're going to draw a picture of Ms. Harris's bean plant, okay? So pause the video, have a go at that now.

So my bean plant has now started to grow little leaves.

Maybe your bean plant has as well.

And you can see I've got lots of roots underneath my plant in the soil.

Now, germination is a really big word that we're going to learn what it means.

So germination is when a seed is planted into wet soil and it begins to grow.

So germination is when a plant begins to grow.

So it's when a seed is sown, that means planted.

What does sown mean? Planted into moist soil.

It begins to grow.

This is called germination.

So it's when a seed begins to grow.

What is it? When a.

Good, when a seed begins to grow.

If you look at my picture here, you can see the seed, and then next to it, you can see another seed that has begun to grow.

You can see a tiny little root has popped out of the coat of the seed.

How exciting! So in your books, I would like you to write down, what is germination? So germination is when a, hmm, begins to, hmm.

Pause the video, write that sentence down, and fill in the gaps.

Great job.

So let's check whether we've got the right answer.

So germination is when a seed begins to grow.

Did you get that right? Don't worry if you didn't get it right, that was okay, because you can check it now.

You could put a nice, neat line through it and write it above it.

So check your answer now.

Well done.

So now we are going to make a fact file all about tomato plants.

So you would need a sheet of paper or you can pull one out of your exercise book, you can ask a grownup to help you.

On the front, we are going to write tomato plants, and then inside we're going to write all of the facts that we are going to learn today.

So I'm going to show you how to set up your fact file and then how to draw the soil because we're then going to draw each stage of a tomato plant, okay? So let's take a look at how we set up our fact file and then you can have a go at doing it.

So now we've seen how to set up our fact file.

I would like you to pause the video now and get your fact file all set up.

So now we're going to make our fact file about our tomato plant.

So first, we're going to fold the sheet of paper in half, and on the front, we can write about our tomato, tomato fact file.

And then if you want, you can decorate it with whatever you would like to write.

On the inside, we are going to draw lots of pictures of different tomato plants.

So we are going to need to draw just a little line at the bottom to show our plants.

And this represents the soil.

So let's learn about a tomato plant growth.

So first, we've got step one.

Step one is when the seed coat splits, that means that the seed that's been put in the ground and the coloured coat that's around the outside, it splits so that the plant can push its way out and begin to grow.

Then step two, we've got tiny roots grow downwards and a seedling shoots upwards.

So we've got the roots growing down and the seedling growing up.

We then got some leaves, which will begin to grow on the tomato plant.

How exciting is that? And often tomato plants have quite a lot of leaves.

Then we've got step four, which is when flowers will begin to grow in preparation for the fruit, which will come later.

So after some time, the plant will bear some flowers, which will later produce some fruit.

So the petals will fall off and the fruit will begin to grow.

So you can see here on number five, that there are some tiny little tomatoes which have begun to grow on the plant.

And then lastly, number six, we have got ripe fruit.

When fruit is ripe, it means it's ready to be picked and eaten.

Good.

So that's a lot of changes that the plant has had to do since being a seed to growing into a wonderful plant.

That's a lot of stages, isn't it? So what we're going to do now is we're going to go back to the start.

We are now going to draw a picture of each stage into our fact file.

So first, I would like you to draw a picture of the seed in the soil.

So underneath the soil, not from the top because we just planted the tomato seed just under the soil so it's ready to grow.

So pause the video.

And I would like to write step one, seed, and draw a picture of the seed.

Step one of the tomato growth is a seed.

So I can draw my seed just below the soil like that.

So step one is the seed.

I'm going to draw my seed.

Step one, seed, making sure I'm labelling it.

Great job.

Now we're going to move on to drawing step two.

Now next to the seed, I would like you to write step two, roots, and draw a picture of a tiny little seedling that is growing lots of roots going downwards and a little seedling growing upwards.

Pause the video and do that now.

Step two, we've got the root.

So I'm going to draw a little plant.

So remember it burst out of the seed, so lots of little roots grow, but also we've got one stem pushing out of the seed.

So number two, roots.

Excellent.

Now, step three, can you draw a tomato plant? It has got lots of leaves on it right now.

And write step three, leaves.

Next, we have got leaves.

So I'm going to draw the same thing again, lots of roots.

I'm sure your drawing is going to be better than Ms. Harris's.

Drawing a line up and I can draw a lots of little parts with some leaves on them.

So I'm going to leave you to draw a better picture than Ms. Harris.

And we can write number three, leaves.

Well done, you are working so hard, great job.

So so far, we've drawn step one with our seed, step two with roots, and we've just drawn step three with some leaves.

Now we're going to do step four.

So we're going to draw another plant with leaves, but we're going to add some flowers this time, because remember that a plant needs to have lots of flowers first so that it can bear its fruit later.

So now pause the video, draw another plant with some flowers and label it step four, flowers.

Step four are flowers.

So again, we can draw our stem that is even bigger this time, lots of roots there, drawing our little stalks up here like this.

But we can draw some leaves again, but also once we've drawn our leaves, we can draw some little flowers.

So it's up to you how you want to draw your flowers.

I'm just doing them very quickly like this.

Ensure you can draw them in better detail than mine.

I might need to label it, flowers.

Great job.

Now on to step five.

This is when the petals fall off and the fruit begins to grow.

So now you're going to draw another tomato plant with lots of leaves, some flowers, but also some small green tomatoes.

Pause the video and do that now.

Step five, we then got fruit, so I'm going to draw it again.

Lots and even more roots this time growing into the soil.

Drawing my stem all the way up.

Again, drawing the stalks here with some leaves.

Yours is going to be much better than mine.

Draw some leaves.

But this time the flowers are falling off.

So we can draw a couple flowers on here still.

But this time we're going to have some tomatoes growing in places.

But remember, they're not ready yet.

They're just beginning to grow.

Then we've got to write fruit because the fruit is beginning to grow.

Well done.

So the last one, we've got step six, which is ripe, which is when the tomato fruit ripens and it's ready to be picked.

So now you can draw your last tomato plant and draw lots of lovely, juicy red tomatoes on them.

So pause the video and do that one now.

And lastly, step number six, which is right when the tomatoes will then be ripe and ready to eat.

So drawing the roots again, drawing the stalk stem all the way up, some stalks here, drawing the leaves.

You can definitely colour this afterwards so that it's really clear that here in step five, the tomatoes are green, but once they ripen, they are going to be big and red, ready to be picked like this.

Okay.

So there is the insight of our fact file.

Great.

So hopefully your fact file so far looks like this.

And I don't know if you noticed, but if you look at the roots, over time, the roots have got bigger and bigger and bigger.

There's been more roots as the plant grows, because the bigger the plant is, the more roots are going to grow into the soil because the roots are going to soak up all the good stuff, all the nutrients from the soil to help the plant grow.

So it's not just tomato plants which produce fruit.

In a similar way, strawberry plants produce fruit strawberries and they have the same cycle.

So they're from seeds.

Then they have roots and a seedling.

Then they grow leaves.

Then they produce flowers.

And then lastly, they grow lots of wonderful fruit that can be picked and ready to grow.

So remember, as I said, if you don't have a tomato and you still want to participate in today's lesson, you could also use a strawberry, planting a strawberry, by cutting in half, because there are lots of teeny, tiny little seeds on a strawberry which you can grow.

So now let's move on to looking at what root vegetables are.

So we've learned about tomato plants so far, and strawberry plants, which grow above the ground.

But what happens to things that grow below the ground? Can that happen? Let's find out.

So here is a picture of an onion.

I would like you just to take five seconds just to have a closer look.

So you can see that the onion is growing below the ground, underground.

Lots of vegetables are grown under the ground and they're called root vegetables.

They have leafy green stems that grow above the ground while the vegetable grows underground in the soil.

They absorb lots of healthy nutrients from the soil to help them grow.

But on the top, you can see there are lots of leaves and a beautiful purple flower that eventually will die and that will give us an indication that will tell us that the vegetable is ready to be picked.

So let's look at another one.

So we've got garlic here, which again, you can see grows in the ground.

It has a nice green stem and a little flower.

But when the flower dies, that tells us that it's ready, the vegetable is ready to be picked.

We've also then got a carrot, which is probably a root vegetable that you know already.

And potatoes, which also are root vegetables, and they grow below the ground.

If you'd like to take a closer look, you can pause the video now and have a look at each stage of the carrot and potatoes growing.

So you can see that the vegetable in the ground is growing bigger and bigger and bigger over time.

And then it's ready to be picked.

So now on the back of your fact file, I would like you to write down one root vegetable.

So write down the name of one root vegetable.

And then I'd like you to answer this question, where do root vegetables grow? Above the ground or below the ground? Pause the video and do that now.

Well done.

So you could have said carrots or potatoes and onion, or you could have said garlic, like we said before, and they grow below the ground because they are root vegetables.

They grow below the ground.

Now it's time for our tomato plant experiment.

So we are going to plant our own tomato plants and we are going to see how they grow and change over time.

And don't worry if you don't want to participate or you don't have these things, you can watch me do it and you can help me along the way.

You can also do this by instead of using a tomato, you can use a strawberry or an apple core.

So you will need a pot or a container, a tomato, a strawberry or an apple, some soil and some stones, okay? So first, we are going to be looking at a tomato over time and watching it grow.

First, we're going to put some stones in the bottom of the pot, because that will stop all of the water when we water it sitting at the bottom of the plant, because it's not healthy, it will help drain the water out of the plant.

Then we will put most of the soil into the pot but leaving a nice space at the top to put our tomato.

We will then put a slice of the tomato.

So we're going to cut the middle part of our tomato, where all the seeds are, we're going to put one tomato slice on top of the soil.

So we're not just going to put our whole tomato into the soil; we're going to cut a slice out and put it in the soil.

We're then going to cover the slice gently with the rest of the soil.

And then we're going to carefully water the seeds, okay? So if you would like to do this experiment, you can pause the video and have a go at this now; otherwise, you can keep watching to watch me plant the tomato slice.

Okay.

So what we're going to do now is we would like a slice out of the tomato.

We're not going to just plant the tomato, we need a nice, thick slice out of the middle.

So you're going to need to ask a grownup to help you, or you could just ask a grownup to set it up for you.

So we're going to take our tomato and we're going to cut each side off, because look, these are all of the seeds inside the tomato that we're going to plant.

So I'm just going to chop off both ends of the tomato.

So we've got all these lovely seeds here.

So we're going to plant this chunky part into our soil so we can get rid of those parts of the side and just keep this one.

So here, I've got everything I need.

I have got my soil, my pot, some stones, and I have got my tomatoes.

And I've got a little spade just to help me with the soil.

So what I'm going to do first, following the instructions, is I am going to put my stones at the bottom to help the water drain out once I water it.

Putting a few there at the bottom like so, then I'm going to take my soil and I'm going to pour it.

And I'm not going to do it all the way to the top, but I'm going to fill up most of it with the soil.

And maybe a little bit more like so.

Just going to get rid of these little extra bits which are in there, chuck them over there.

Okay.

Then I'm going to put my tomato slice in the soil like so, and you can see all these seeds are going to be the ones that grow.

Then I'm going to take my soil and continue covering it up with the rest.

Keep going, keep covering it until we can't see it anymore.

Under the soil, you can get rid of that chunky bit.

Okay.

So we shouldn't be able to see the tomato anymore 'cause we've covered it up.

So I've taken my soil out to the garden.

That's why there's a few little stones in there.

So now, I've put my stones in, I've put my soil in, I have put in my tomato, I've covered it with the soil, so now I'm going to water it.

So I've got a spray bottle water bottle, but you can also just pour a little bit of water on the top.

So we're going to make sure we water it every day.

Make sure that it doesn't get really thirsty.

But important thing to remember is if the soil, which you can see here, if it's wet and shiny like this, it doesn't need any more water.

But if it's dry, then it will need a little bit of water.

So just keep an eye on it every day.

And now that's ready to go in a nice sunny spot on the window sill, ready to grow.

Now it's time for the end of lesson quiz.

It's me as the tomato.

Looks quite silly, isn't it? Now what plant can you see in my background? What do you notice? What's it called? It's called a rose bush.

So you can see lots of lovely red roses, which are on my background.

And often red roses are given on Valentine's Day if you celebrate Valentine's Day; or they can be given on any other occasions.

But rose bushes are quite spiky, so be careful if you ever see them.

Great job today.

You have worked really hard and I'm looking forward to seeing you next time.

Bye.