Summary
A previously unknown dinosaur fossil was recently unearthed.
A new type of battery can store solar energy more efficiently.
Key Points
3 points1
A tiny robot can clean polluted water.
2
A new dinosaur fossil was discovered.
3
A new battery stores solar energy better.
New Words to Learn
5 wordscontaminants
things that make water dirty or unsafe
unearthed
found by digging up from the ground
efficiency
how well something works without wasting energy
battery
a device that stores electricity for later use
solar
related to the energy we get from the Sun
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