The word 'energy' has a scientific meaning, but also has non-scientific meanings in everyday life. Which pupil is using the word energy with it's proper scientific meaning?
Which of these do you think have energy?
a moving car ✓
a hot pie ✓
firewood ✓
a stretched rubber band ✓
the human body ✓
Which do you think has more energy?
100g of ice
100g of cold water
100g of hot water ✓
Which do you think would have more energy?
A slack bungee rope.
A bungee rope stretched by 1 metre.
A bungee rope stretched by 5 metres. ✓
Which do you think has most energy due to its movement?
A train at 80 mph. ✓
A train at 50 mph.
A train at 60 mph.
Starting with the least energy, sort these food items into order of increasing energy content.