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PR-6170RUK Science A STEM Approach - Primary 1

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Energy and Forces<br />

HOW THINGS MOVE<br />

Lesson 4<br />

Lesson Plan<br />

Introduction:<br />

1. Place a cardboard ramp used during Lesson 3 at the front of the class. Ask pupils If I placed two<br />

objects at the top of this ramp, which types of motion could they use to travel down the ramp? (They<br />

can roll, slide, spin or bounce.) What causes objects to roll at different speeds and for different<br />

distances? (Their size and shape.)<br />

Development:<br />

2. Display a small, rectangular wooden construction block, a large, rectangular wooden construction<br />

block, an empty tissue box, a full tissue box, a small teddy bear, a toy doll, a plastic sandpit scoop,<br />

a plastic sandpit sieve, a beanbag and a plastic sports cone. How do these objects move? (They<br />

slide.) Why do you think these objects slide? Explain that objects often slide if they have a flat<br />

surface.<br />

3. Display a digital copy of page 54. Point to the two objects in the first row and ask Which object<br />

will slide faster? Conduct a class vote to tally pupils' predictions about which object they think will<br />

slide faster. Repeat the question for all pairs of objects. Conduct another vote to record pupils'<br />

predictions about which object in each pair will slide further and record the tally at the bottom of<br />

page 54.<br />

4. Divide the class into groups of five or six and give each group a ramp (created in Lesson 3), a<br />

small, rectangular wooden construction block, a large, rectangular wooden construction block, an<br />

empty tissue box, a full tissue box, a small teddy bear, a toy doll, a plastic sandpit scoop, a plastic<br />

sandpit sieve, a beanbag and a plastic sports cone. Pupils experiment to find how size and shape<br />

affect how objects slide by placing two objects at the top of their ramp and letting go at the same<br />

time. Pupils should be encouraged to try the same two objects multiple times to ensure their<br />

observations are correct. Using page 55, pupils individually record their observations by circling<br />

the object that is heavier, lighter, faster and travelled the furthest.<br />

Differentiation<br />

• Less able pupils may work as a group to complete page 55 or can work with an adult to test<br />

each pair of objects.<br />

• More able pupils may be encouraged to complete page 55 then find additional objects and see<br />

how their size and shape affect how they slide. Pupils can record their objects on the back of<br />

page 55.<br />

5. Watch the video at . This video shows cartoon animal characters<br />

attempting to slide down a snowy hill before searching for objects they can use to help them slide.<br />

Discuss why the characters couldn't slide down the snowy hill at the beginning and how they used<br />

objects to help them slide. Discuss the movement made by the duck before he eventually slid<br />

down the hill.<br />

Viewing sample<br />

Reflection:<br />

6. Using a think-pair-share, pupils discuss the question What things change how an object slides?<br />

Pupils should be encouraged to think about an object's size, weight and the surface that it is<br />

sliding on.<br />

www.prim-ed.com – Prim-Ed Publishing 978-1-912760-14-5 <strong>Science</strong>:<br />

Infants A <strong>STEM</strong> AP<strong>PR</strong>OACH 53

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