Science – Tuesday 30th

LESSON 2 – TUESDAY

LI: To explore Bacteria and what they are

So that I know how they can be grouped.

Bacteria

Today, we are going to look at the Microorganism: Bacteria. They eat, move around, reproduce and many other things like larger living things. They are filled with fluid, and may have threadlike structures to move themselves, like a tail. Here are some shapes of bacteria:

Screenshot 2020-06-25 at 12.12.16Discuss: Where do you think Bacteria grows and where can you find it?

Bacteria grow where?

  • Bacteria can be found almost everywhere!
  • Bacteria live on or in just about every material and place on Earth, from soil to water to air, and from your body to the North Pole to the Sahara Desert.
  • Many types can survive below freezing temperature (0°C)., and some types can survive above boiling point (100°C).
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Is Bacteria good or bad?

Bacteria is good because:

A lot of bacteria that live in our intestines helps us break down food that we eat into stuff that we can digest. These bacteria are a friendly, food digesting army.

Good bacteria can be found in foods such as yoghurt and cheese, in the soil to help plants grow and living on or inside our bodies. They fight the bad bacteria for us and mostly live inside our digestive systems. You can also drink things like this:

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This contains ‘good bacteria’ which some people drink to help them have a healthy digestive system. Keep an eye out when you go to the shops!

Bacteria is harmful because:

It can make us sick. They can infect throats which give you a sore throat, or they can infect your lungs which will make you cough.

Lots of them live on you, but don’t worry, almost all of them are good for you!  Each square centimetre of your skin has about 100,000 bacteria on it.

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Activity:

Split your page into 4 sections/headings. You will write about what you have learnt about Bacteria from today’s lesson:

  • What Bacteria is
  • Characteristics
  • Why they are good
  • Why they can be harmful

Support:

Fill in the missing words. Bacteria can be _________ and bad. Some good Bacteria is good for our _________ system and some people drink things which contain good Bacteria. Bacteria also lives in _________ which helps plants to grow. However, some _____ bacteria can make us sick. It can give us a _______ throat and effect our lungs which make us __________.

EXT: If you could go back in time, what would you tell people about the Microorganisms and how you can prevent diseases and infections from being spread?

 FUN FACT:

Bacteria has been on the planet for more than 3.5 billion years old, making them the oldest known life-form on earth.

Science – Monday 29th

LESSON 1 – MONDAY

LI: To explore Microorganisms and what they are

So that I know how they can be grouped.

Introduction:

There are millions of organisms all around us that we cannot see. They are called micro-organisms, or microbes for short.

Discuss:

Can you explain what a Microorganism is?

Can you think of any examples of Microorganisms?

A micro-organism is living thing that is too small to be seen with the naked eye. In order to see microorganisms, we have to use powerful microscopes. Microorganisms include bacteria, fungi and viruses.

This picture shows what bacteria looks like when they are magnified to be thousands of times bigger than their actual size.

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Just like plants and animals, micro-organisms need certain things to survive. They need water and food but some create their own food, like plants do, while others feed off the objects around them. Some also need oxygen. Different types of micro-organisms can survive in different places. Some live in freezing conditions, others in boiling hot temperatures.

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We can see the evidence of micro-organisms all around, even if we can’t actually see the microbes themselves.

Discuss:

Can you guess how these pictures show evidence of micro-organisms?

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There are billions of microbes on and in your body. Most of these microbes are necessary for us to stay healthy.

However, some microbes get into our systems and cause us to become ill. These microbes can then travel from person to person, making lots of people poorly. These diseases can range from mild illnesses like colds to chicken pox.

These diseases can be spread through coughs, sneezes and dirty surfaces, which is why it is so important to wash your hands and keep surfaces clean.

Microbes are why foods rot and go mouldy. Even though it isn’t very nice seeing or smelling mouldy food, having foods broken down by micro-organisms is very important. The mould you can see on food is the fungi feeding and growing.

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Eating mouldy food can make you very ill.

3 main Microorganisms:

  • Bacteria
  • Fungi
  • Viruses

This week, we will look at each type of Microorganism in depth.

Activity:

In your books, write down:

  1. What you know about Microorganisms
  2. What two/three questions you want to find out about them.

Leave spacing under your questions, as we will revisit this towards the end of the week.

Extension: Why are microorganisms classed as ‘living things’? There are 7 reasons! [Hint: Mrs. Nerg]

Support: Bacteria can cause tooth decay. What does this make you think about Bacteria?

Science – Friday 26th

LESSON 5 – FRIDAY

LI: To identify the characteristics of all living things.

So that I know how to differentiate between living & non – living.

For the last few weeks, we have been looking at characteristics of 2 groups of living things – Vertebrates and Invertebrates. Today, we will look at the key characteristics of ALL living things. These are fundamentals for something to be considered a living thing.

For something to be alive, what do you think that it has to be able to do? Discuss with those around you, or if you are home, discuss with a sibling or a grown up.

There is an acronym designed to help remember the 7 key characteristics of living things:

MRS NERG! (Or MRS GREN).

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Main Activity

Discuss the following and categorise them into living/non-living. Explain why! (Don’t forget to use Mrs Nerg to help you!).

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Can you think of your own?

 

Science – Thursday 25th

LESSON 4 – THURSDAY

LI: To know the characteristics of Mollusks

So that I can classify living things into broad groups

Discuss the following questions with your peers/siblings/adults at home:

  1. What were the characteristics of the vertebrate group, Reptiles? (think about yesterday’s lesson!)

Today, we are going to look at the characteristics of the vertebrate group, FISH! Can you remember what a fish is?

For those at home ONLY. Watch this video:

https://www.youtube.com/watch?v=r9gO-l1FVIQ!

Mollusks are slightly different as they can be classified into 3 groups:

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Main Activity

Choose one of the categories on ‘Mollusks’ from the list then draw and label it with the main characteristics in your books, ensuring you include some/most of the terminology learnt today. (look at ‘Vocabulary’ if you are unsure!).

Plenary Share your diagrams with the class, or, if at home, you can send them in via email to: year6@selsdonprimary.org.uk

Fun Fact about Mollusks:

Octopuses have amazing defenses. They can change their coloring to blend in with their surroundings.

 

 

 

Science – Wednesday 23rd June

LESSON 3 – WEDNESDAY

LI: To know the characteristics of Insects

So that I can classify living things into broad groups.

Discuss the following questions with your peers/siblings/adults at home:

  1. What were the characteristics of Crustaceans? (think about yesterday’s lesson!)

Today, we are going to look at the characteristics of the invertebrate group, ‘Insects’.

For those at home ONLY:

Watch this videohttps://www.youtube.com/watch?v=iJlfBNyBKQA

Screenshot 2020-06-18 at 14.59.51

By looking at the images above, can you see any common characteristics of these species? Write them down on your WB and if you are at home, comment below! Do this before you look at the characteristics below!

Characteristics:

  • Body is divided into head thorax and abdomen
  • Have antennae
  • Have 3 pairs of legs (how many legs altogether?)
  • Oviparous (Can you remember what this means?)
  • Only group of invertebrates that can fly
  • Compound eyes (hundreds of tiny eyes in each eye) – perfect vision

Most insects go through a series of body changes. Can you remember what this is called?

Metamorphosis!

Main Activity

Choose an insect from the list (or choose your own), then draw and label it with the main characteristics in your books, ensuring you include some/most of the terminology learnt today. (look at ‘Vocabulary’ if you are unsure!)

Plenary : Share your diagrams with the class, or, if at home, you can send them in via email to: year6@selsdonprimary.org.uk

FUN FACT ABOUT INSECTS:

The number of insect species is believed to be between six and ten million!