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Science lesson plan · 3rd grade (Year 4 in England) · 60 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 · 6 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. seeds → mouse → owl What is the owl in this food chain? (secondary consumer / producer / tertiary consumer / primary consumer) → secondary consumerPrompt: Start at the plant and count the arrows.
  2. grass → grasshopper → frog → snake Which animal is the prey of the snake? (grasshopper / frog / grass / snake) → frogPrompt: A predator hunts and eats other animals; its prey is the animal it eats.
  3. Food chains: which statement is true? (Plants are producers because they make their own food. / Producers eat consumers. / Herbivores are predators. / A food chain can start with a lion.) → Plants are producers because they make their own food.Prompt: Producers make food; consumers eat.

Hook · 6 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 · 12 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 · 12 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? (they share warmth in freezing winds / workers share jobs like collecting food and caring for young / adults protect the calves from lions / one warns the others when a hawk is near) → workers share jobs like collecting food and caring for youngPrompt: Think about food, safety, warmth and sharing work.
  2. Why do zebras stay close together in a herd? (To keep the grass warm. / To make it easier for lions to catch them. / Because they cannot walk alone. / Many eyes spot danger, and the stripes confuse lions.) → Many eyes spot danger, and the stripes confuse lions.Prompt: Is it easier for a lion to sneak up on one zebra or on a herd?

You do: independent practice · 17 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 · 7 min

  • Two questions on their own. Sort answers into got it / nearly / not yet to plan the next lesson.
  1. How does living in a group help here: emperor penguins huddling together? (adults protect the calves from lions / they can catch animals much bigger than one wolf / they share warmth in freezing winds / one warns the others when a hawk is near) → they share warmth in freezing windsPrompt: Think about food, safety, warmth and sharing work.
  2. What is one downside of living in a big group? (Food must be shared, and illnesses spread more easily. / Predators can never find groups. / Groups are always too cold. / Nobody ever helps anyone.) → Food must be shared, and illnesses spread more easily.Prompt: Think of a crowded classroom with one packet of biscuits.

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

    How does living in a group help here: wolves hunting as a pack?

    • A. they can catch animals much bigger than one wolf
    • B. workers share jobs like collecting food and caring for young
    • C. it is hard for a predator to pick out one fish
    • D. they share warmth in freezing winds
  2. Question 2

    True or false? In a beehive, different bees do different jobs.

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

    Why do zebras stay close together in a herd?

    • A. Many eyes spot danger, and the stripes confuse lions.
    • B. To keep the grass warm.
    • C. Because they cannot walk alone.
    • D. To make it easier for lions to catch them.
  4. Question 4

    How does living in a group help here: emperor penguins huddling together?

    • A. it is hard for a predator to pick out one fish
    • B. one warns the others when a hawk is near
    • C. they can catch animals much bigger than one wolf
    • D. they share warmth in freezing winds
  5. Question 5

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

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

    Leafcutter ants cut leaves, carry them home and grow a fungus on them to eat. Why can a colony do this but one ant cannot?

    • A. Thousands of ants share the different jobs.
    • B. Leaves are only cut at night.
    • C. Fungus only grows near crowds.
    • D. One ant is too lazy.
  7. Question 7

    How does living in a group help here: honeybees in a hive?

    • A. they can catch animals much bigger than one wolf
    • B. workers share jobs like collecting food and caring for young
    • C. it is hard for a predator to pick out one fish
    • D. one warns the others when a hawk is near
  8. Question 8

    True or false? Living in a group has no downsides.

    • A. True
    • B. False

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Answer key: Why some animals live in groups

  1. 1. A. they can catch animals much bigger than one wolf

  2. 2. A. True

  3. 3. A. Many eyes spot danger, and the stripes confuse lions.

  4. 4. D. they share warmth in freezing winds

  5. 5. A. True

  6. 6. A. Thousands of ants share the different jobs.

  7. 7. B. workers share jobs like collecting food and caring for young

  8. 8. B. False