Home Learning Monday 18th May 2020 – Science 2

Hello Year 5. How are you? Remember to take a look at the post Science 1 where there is an activity about pole vaulting (a sport I have never dared try).

Can you define the word friction?

Let’s learn about a type of friction called air resistance. Watch the video to get you started.

Introduction to air resistance – BBC Bitesize

Now, here’s a link to a video from my favourite scientsits, Crash Course for Kids. We’ll consider the question, why do things fall at different speeds to earth?

Before you watch, here’s something to think about: Imagine you drop a feather and a hammer at the same time. (Don’t try this at home!)  What would happen? Which would reach the ground first? Why? Is it ever possible for the feather and the hammer to fall to the ground at the same time? Explain.

Crash course – falling objects

Why does a feather fall to the ground more slowly than a hammer?

What is air resistance? Can you say or write your own definition?

Investigation

Why don’t you carry out the experiment that the presenter suggested (not the trip to the moon!)?

Take two pieces of paper, one flat and one screwed up into a ball.

Before you drop the pieces of paper, consider which piece of paper will land on the ground first. Explain your thinking. Try to use the phrase air resistance in your explanation.

Drop the two pieces of paper at the same time. Which piece of paper lands first? Explain. Why did the flat piece of paper land quickly or slowly? Why did the screwed up piece of paper land quickly or slowly? In which direction does air resistance work when the paper falls?

As you finish, make sure that you can explain to someone else what is air resistance OR record your definition on paper.

Post a comment to let us know how you did and what you found out. Have a lovely day.

10 Comments

  • Inaayah Posted 18th May 2020 12:53 pm

    Hi miss I did the experiment with the paper and then I did it a different way.first I dropped the crumpled paper but for the flat piece I dropped it vertically and it dropped faster than it did when I dropped it horizontally:)

    • Miss Buckley Posted 18th May 2020 1:49 pm

      Hello Inaayah, I’m so pleased you’ve had a go at the experiment. Why do you think that the piece of paper fell at a different speed when you dropped it horizontally?

  • Aaminah Posted 18th May 2020 1:21 pm

    Hi miss buckley i like our new sience topic on forces. so you know that BBC Bitesize video it didn’t work for me but the other videos were ok.

    • Miss Buckley Posted 18th May 2020 1:47 pm

      I’m sorry the BBC video didn’t work. I’ve just tried it myself and it did work so I’m not sure what has happened there. How are you Aaminah? Did you get to watch the Crash Course for Kids video?

      • Madiha Posted 18th May 2020 8:50 pm

        The BBC bitesize video worked for me.

        • Miss Buckley Posted 19th May 2020 10:13 am

          Great. Did you get to watch the Crash Course for Kids video? They always give such good explanations.

          • Madiha Posted 19th May 2020 3:45 pm

            Yes I did watch it.

          • Miss Buckley Posted 20th May 2020 9:33 am

            Great! What did you think? Was it helpful?

  • Aaminah Posted 19th May 2020 12:19 pm

    Yes miss Buckley I watched the crash course video. That one helped a lot!

    • Miss Buckley Posted 19th May 2020 1:50 pm

      I’m glad you watched it, their videos are full of information but easy to understand too.

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