← CSEC Human and Social Biology lessons

A2.1 - Matter and Energy

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  • ✓Describe the particle nature of matter.
  • ✓Describe the three states of matter: solid, liquid and gas.
  • ✓Explain that energy exists in several forms.
  • ✓Apply the ideas of particles and energy to simple everyday situations.
⏱ 0 mins🎯 36 marks
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Imagine a Saturday in the Caribbean. You put ice cubes into your fruit juice in a plastic cup. Later, you see droplets of water on the outside of the cup and steam rising from a nearby pot of rice on the stove. The same substance, water, appears as solid (ice), liquid (water) and gas (steam). How is that possible? What is happening to the tiny particles inside? Think about 'tiny moving particles' when you hear the word matter.
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💡EngageQuestion 5 of 26

Which statement do you think best describes matter?

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Did you understand matter and energy after this lesson?

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What was your favourite part of the lesson?

💡Engage
Imagine a Saturday in the Caribbean. You put ice cubes into your fruit juice in a plastic cup. Later, you see droplets of water on the outside of the cup and steam rising from a nearby pot of rice on the stove. The same substance, water, appears as solid (ice), liquid (water) and gas (steam). How is that possible? What is happening to the tiny particles inside? Think about 'tiny moving particles' when you hear the word matter.
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