Inventions & Words
This is something that makes light.
💡 Electricity
Before light bulbs, people ___ (use) candles.
Used to use
Batteries (power devices) →
You need batteries to power devices.
To start, you need to ___ the hula hoop around your waist.
(Put)
If you try something and it works, you ___.
(Succeeded)
This round object helps vehicles move.
🚗 Wheel
Before airplanes, people ___ (travel) by horse.
Used to travel
Wheel (move things easily) →
You use a wheel to move things easily.
If the hula hoop falls, you need to ___ it up.
(Lift)
If an idea doesn’t work, it ___.
(Failed)
If you don’t have this, you can’t power a toy car.
🔋 Batteries
Before cell phones, people ___ (write) letters.
Used to write
Electricity (turn on lights) →
You need electricity to turn on the lights.
You ___ the hula hoop to make it go in circles.
(Move)
When you try something, but it doesn’t work the first time, you ___.
(Tried)
It helps you think of new things.
🌈Imagination
Before electricity, people ___ (read) with candlelight.
Used to read
Imagination (create new things) →
You use your imagination to create new things.
You can ___ the hula hoop with your hands before spinning it.
(Use)
Thomas Edison ___ the light bulb.
(Invented)
If something is not useless, it is…
Useful
Before washing machines, people ___ (wash) clothes by hand.
Used to wash
Problem & Solution (solve challenges) →
You find a solution when you have a problem.
When you spin the hula hoop, your body has to ___ to keep it moving.
(Turn)
If there is a ___, you need a solution.
(Problem)