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Science lesson plan · 3rd grade (Year 4 in England) · 45 minutes

Why some animals live in groups

Ecosystems and food chains

CCSS NGSS.3-LS2-1England: KS2 Y4 Living things and their habitats

Objective and success criteria

Students will: Why some animals live in groups.

  • I can answer questions on today's skill on my own, without help.
  • I can explain each step and say why it works.
  • I can check my answer and spot a mistake.

Before and after

Needs first: Producers, consumers, predators and prey

Leads to: the next skill in this area.

Materials: Food web cards, Arrows to build chains, Mini whiteboards, A diagram or short video clip of the idea, Printed student sheet (below).

Warm-up · 5 min

  • Quick retrieval from earlier learning (Producers, consumers, predators and prey). Students answer on mini whiteboards.
  • Show answers together and note who needs support in the main task.
  1. oak leaves → caterpillar → blue tit → sparrowhawk What is the oak leaves in this food chain? (producer / tertiary consumer / primary consumer / secondary consumer) → producerPrompt: Start at the plant and count the arrows.
  2. acacia leaves → giraffe → lion Which animal is the prey of the lion? (giraffe / acacia leaves / lion) → giraffePrompt: A predator hunts and eats other animals; its prey is the animal it eats.
  3. Food chains: which statement is true? (Herbivores are predators. / Plants are producers because they make their own food. / Producers eat consumers. / A food chain can start with a lion.) → Plants are producers because they make their own food.Prompt: Producers make food; consumers eat.

Hook · 5 min

  • Show a food web and ask what would happen if one animal disappeared.
  • Share the objective: Why some animals live in groups. Read the success criteria together.

I do: model it · 10 min

  • Work through the example out loud, saying why you do each step, not just what you do.
  • Example: How does living in a group help here: wolves hunting as a pack?
  • Step 1: So the answer is: they can catch animals much bigger than one wolf
  • Answer: they can catch animals much bigger than one wolf
  • Pause after each step and ask a student to say what comes next.

We do: guided practice · 10 min

  • Do these together. Students try each step on whiteboards before you reveal it.
  • Use the hints as prompts rather than giving the answer.
  1. How does living in a group help here: honeybees in a hive? (adults protect the calves from lions / workers share jobs like collecting food and caring for young / one warns the others when a hawk is near / they share warmth in freezing winds) → workers share jobs like collecting food and caring for youngPrompt: Think about food, safety, warmth and sharing work.
  2. Geese fly in a V shape and take turns at the front. How does this help? (Birds behind save energy, and sharing the front spreads the hard work. / It helps them see the ground. / It makes them fly slower. / It keeps them dry.) → Birds behind save energy, and sharing the front spreads the hard work.Prompt: Cyclists in a race ride close behind each other for the same reason.

You do: independent practice · 10 min

  • Students work on the student sheet. Circulate and check the first two answers of every student early.
  • Students who finish: write a question of their own for a partner, with the answer.

The 8 questions are on the student sheet below, with answers in the key.

Exit ticket · 5 min

  • Two questions on their own. Sort answers into got it / nearly / not yet to plan the next lesson.
  1. True or false? Some animals hunt in groups to catch bigger prey. (True / False) → TruePrompt: Think of the benefits and the costs.
  2. How does living in a group help here: honeybees in a hive? (it is hard for a predator to pick out one fish / workers share jobs like collecting food and caring for young / adults protect the calves from lions / they share warmth in freezing winds) → workers share jobs like collecting food and caring for youngPrompt: Think about food, safety, warmth and sharing work.

Watch out for

  • Everyday meanings of words getting in the way of the science meaning: define key words explicitly.
  • Remembering facts without the reason: ask "why?" and "what is the evidence?"

Support and stretch

Support

  • Review first: Producers, consumers, predators and prey.
  • Use concrete materials: food web cards.
  • Give the first step of each question, or a partly worked example to finish.
  • Pair with a confident partner for the guided practice.

Stretch

  • Explain a common mistake in writing and how to fix it.
  • Write a word problem that uses today's skill, then solve a partner's.

Homework and more practice

Free online practice with hints and printable worksheets for this skill: eurekami.com/science/grade-3.

Free lesson plan from eurekami.com/lesson-plan-builder

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Why some animals live in groups

Name

Date

Score/ 8

  1. Question 1

    What is one downside of living in a big group?

    • A. Nobody ever helps anyone.
    • B. Predators can never find groups.
    • C. Food must be shared, and illnesses spread more easily.
    • D. Groups are always too cold.
  2. Question 2

    True or false? Fish swim in shoals to make it easier for predators.

    • A. True
    • B. False
  3. Question 3

    How does living in a group help here: meerkats taking turns as lookouts?

    • A. workers share jobs like collecting food and caring for young
    • B. it is hard for a predator to pick out one fish
    • C. one warns the others when a hawk is near
    • D. they share warmth in freezing winds
  4. Question 4

    Why do zebras stay close together in a herd?

    • A. Because they cannot walk alone.
    • B. To keep the grass warm.
    • C. Many eyes spot danger, and the stripes confuse lions.
    • D. To make it easier for lions to catch them.
  5. Question 5

    True or false? Some animals hunt in groups to catch bigger prey.

    • A. True
    • B. False
  6. Question 6

    How does living in a group help here: fish swimming in a huge shoal (school)?

    • A. it is hard for a predator to pick out one fish
    • B. one warns the others when a hawk is near
    • C. adults protect the calves from lions
    • D. workers share jobs like collecting food and caring for young
  7. Question 7

    True or false? All animals live in groups.

    • A. True
    • B. False
  8. Question 8

    True or false? Living in a group can help animals stay warm.

    • A. True
    • B. False

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Answer key: Why some animals live in groups

  1. 1. C. Food must be shared, and illnesses spread more easily.

  2. 2. B. False

  3. 3. C. one warns the others when a hawk is near

  4. 4. C. Many eyes spot danger, and the stripes confuse lions.

  5. 5. A. True

  6. 6. A. it is hard for a predator to pick out one fish

  7. 7. B. False

  8. 8. A. True