PR-6170RUK Science A STEM Approach - Primary 1

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Lesson 5 Living Things LIVING THINGS HAVE NEEDS Teacher Notes Science Inquiry Focus: What happens if plant’s needs are not met? Skills Development/Working Scientifically: • Questioning • Observing • Predicting • Recording and communicating Science Learning Outcome: • Pupils make observations about the growth of their radish and investigate who is responsible for taking care of plants. Technology/Engineering/Mathematics Links: • Using mathematical language to compare the growth of radishes and to instruct adding more or less water to the plant in the interactive activity. • Participating in an interactive activity online. Background Information • Plants include trees, flowers, herbs, bushes, grasses, fruit-bearing plants, vines and ferns. • All plants have five basic needs that differ slightly from animals. Plants need air, sunlight, water, soil and space to grow and reproduce. • Unlike animals, plants create their own food through photosynthesis. Plants take carbon dioxide from the air, the sunlight and the water and convert these nutrients into glucose, which the plant uses to grow and produce oxygen, which it emits back into the environment. • When a plant’s needs are not met, it becomes sick just like an animal. Its physical appearance changes. Its leaves may wilt, turn yellow or shed, or it may develop spots of rot. • Different plants require different amounts of air, water, sunlight, soil and space. This is because plants have adapted to grow in different conditions. Some plants can survive without soil at all, such as air plants, and some share the same space, such as vines around a tree in a rainforest. It is important when choosing plants to check their individual needs. Assessment Focus: • Use the pupil’s drawing and their two sentences to assess their observation and recording skills. Resources • Access to the radishes planted in Lesson 4 • Blank piece of paper for each pupil • Online interactive activity– Growing Plants at Viewing sample 20 Science: A STEM APPROACH Infants 978-1-912760-14-5 Prim-Ed Publishing – www.prim-ed.com
Living Things LIVING THINGS HAVE NEEDS Lesson 5 Lesson Plan Introduction: 1. As a class, revise the radish growing experiment from Lesson 4. What plant did we grow? What are the five basic needs of plants? How did we make sure the plant’s needs were met? Development: 2. Select the radish that grew the most and the radish that grew the least. As a class, model a sentence to compare the two radishes; for example, Pupil A’s radish is taller than Pupil B’s radish. Write the words 'taller', 'shorter', 'bigger' and 'smaller' on the whiteboard. 3. On a piece of paper, pupils record their observations by drawing an image of their radish plant. Pupils then write two sentences to compare the size of their radish growth to other pupils; for example, 'My radish was taller than …' and 'My radish was shorter than …' Note: These sentence starters may be written on the whiteboard for pupils to complete if required. Differentiation • Less able pupils may orally compare the size of their radish to that of other pupils and have an adult complete the sentences. • More able pupils should be encouraged to write a sentence about whether they think their radish had its needs met and why. 4. In pairs, pupils tell their partner if they think their radish had its needs met or not, giving reference to the size of the plant; for example, I think my plant did have its needs met as it grew tall and had leaves, or I think my plant did not have its needs met because it only grew a little. 5. Using a think-pair-share, pupils answer the questions What happens to plants that don’t have their needs met? Do they get sick? 6. Display the interactive activity Growing Plants at . Read the instructions at the top of the interactive activity and choose individual pupils to have a go at completing each step. The remainder of the class should be encouraged to tell the pupil when the water level is getting too high or too low by calling out ‘more water' or 'less water’. Allow the plant to grow weak by not providing for its needs. Discuss what the plant looks like when it doesn’t have its needs met. What other signs tell us that plants’ needs are not being met? Reflection: 7. As a class, discuss who is responsible for taking care of plants in different places. Who was responsible for taking care of your radish? Who is responsible for taking care of the plants in the garden at home, at school or in the playground? 8. What needs do all of the plants in the garden at home, at school and in the playground have and what happens if their needs are not met? Viewing sample www.prim-ed.com – Prim-Ed Publishing 978-1-912760-14-5 Infants Science: A STEM APPROACH 21
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PR-6170RUK Science A STEM Approach - Primary 1

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