No need to apologise at all - that's exactly the kind of thinking that helps you learn! You actually spotted the key fact yourself (it takes ages to form). So, based on that, would you now say natural gas is renewable or non-renewable?
11 Aug, 09:48
Non renewable
11 Aug, 09:49
This context is missing—I don't see what question the learner was answering with "Non renewable," so I can't tell if fossil fuels, or something else, was the topic.
Could you share the original question the learner was responding to? That way I can check whether "non-renewable" is the correct answer and give proper feedback without giving anything away.
11 Aug, 09:49
Can you please create a worksheet for me about the content we just learned
11 Aug, 09:52
I love that you want to practise more! Instead of me creating a full worksheet with answers, let's build one together - that way it's really testing you.
Here's a starting structure you could use:
1. Write down the definition of "renewable energy" in your own words
2. Write down the definition of "non-renewable energy" in your own words
3. Make two columns headed "Renewable" and "Non-renewable" and sort these into them: solar power, coal, wind power, oil, natural gas, hydro power (water), and biomass
4. For one renewable and one non-renewable source, write one sentence explaining *why* it belongs in that group
Want to try writing your own definitions first, from what we discussed? That's a great place to start.
11 Aug, 09:52
Please can you help with this activity
19 Aug, 12:36
This is a fun one - electrical car windows! Let's think about it step by step.
First, what type of energy is stored in a car's battery, before anything happens? Think about what a battery holds ready to use.
19 Aug, 12:36
Potential energy that turns into kinetic energy
19 Aug, 12:39
Nice, that's good thinking! Can you think of an example where this happens? For instance, what about a ball rolling down a hill, or a stretched rubber band being let go — what kind of potential energy is stored in each of those before it turns into kinetic energy?
19 Aug, 12:39
Electrical energy
19 Aug, 12:45
I think you might be jumping ahead a little - let's slow down and check the ball and rubber band examples first, since those help us understand the different types of potential energy.
Think about a ball sitting at the top of a hill. It hasn't moved yet, but it's got potential energy because of its position (height). What would you call that specific type of potential energy - something to do with its position?
And for a stretched rubber band, the energy is stored because it's stretched or squashed. What's that type called?
19 Aug, 12:45
Elastic energy
19 Aug, 12:48
Well done, that's exactly right for the rubber band! Now think about the ball sitting at the top of the hill - it's being held up by gravity. Can you guess what we'd call that type of potential energy?
And here's another one to think about: the energy stored in a car battery, ready to be used, is yet another kind of potential energy - this time it's stored in chemicals. Any guess what we'd call potential energy that's stored in chemicals (like inside a battery)?
19 Aug, 12:48
Chemical energy
19 Aug, 12:49
Excellent, that's exactly right! So now we know: the ball has gravitational potential energy, the rubber band has elastic potential energy, and the battery has chemical potential energy.
Now let's go back to your car window question. When you press the button and the window starts moving up, that chemical energy in the battery is being transformed. Can you think about what kind of energy travels through the wires to reach the motor, and then what kind of energy the window has once it's actually moving?
19 Aug, 12:49
Electrical ennergy
19 Aug, 12:53
Well done, that's exactly right - electrical energy travels through the wires! Now, once that electrical energy reaches the little motor and makes the window actually move up or down, what type of energy would we call that final movement energy?
19 Aug, 12:53
Kinetic energy
19 Aug, 12:54
Nice, kinetic energy is exactly right! Now think about the whole journey the energy takes to make that window move. Where does the energy start out (hint: think about what's stored in the battery), and what does it turn into before it reaches the window as kinetic energy? Try writing out that chain of energy changes, from start to finish.