label
int64
0
1
text
stringlengths
11
174
0
How are mountains formed?
0
How does the internet work?
0
How do airplanes stay in the sky?
0
How can we produce clean energy?
0
How do computers work?
0
How are movies made?
0
How is chocolate made?
0
How does the stock market function?
0
How can we prevent climate change?
0
How are books published?
0
How does a refrigerator stay cold?
0
How do birds fly?
0
How does GPS work?
0
How are skyscrapers built?
0
How does a microwave heat food?
0
How is cotton made into fabric?
0
How is coffee made?
0
How are diamonds formed?
0
How do fish breathe underwater?
0
How does a TV work?
0
How is wine made?
0
How does a light bulb work?
0
How do cameras capture images?
0
How does a volcano erupt?
0
How is glass made?
0
How does a clock keep time?
0
How do plants grow?
0
How are rainbows formed?
0
How is electricity produced?
0
How do cell phones work?
0
How does a car's air conditioner work?
0
How does solar power work?
0
How is a language formed?
0
How do snakes shed their skin?
0
How does a wind turbine generate electricity?
0
How does a sewing machine work?
0
How is oil extracted?
0
How does recycling work?
0
How does a dishwasher clean dishes?
0
How do butterflies migrate?
0
How does a spider spin a web?
0
How is paper made?
0
How do submarines navigate underwater?
0
How does a space rocket work?
0
How is cheese made?
0
How do clouds form?
0
How does a bicycle work?
0
How does a coffee maker work?
0
How are movies animated?
0
How do trees produce oxygen?
0
How is pasta made?
0
How do boats float?
0
How are hurricanes formed?
0
How is tea made?
0
How is gold mined?
0
How do batteries store energy?
0
How are video games made?
0
How does a water filter work?
0
How does nuclear power work?
0
How is sugar made?
0
How does a jet engine work?
0
How is plastic recycled?
0
How does a microwave oven work?
0
How do televisions work?
0
How does an electric car work?
0
How do radios transmit signals?
0
How do mushrooms grow?
0
How does a toaster toast bread?
0
How does a blender work?
0
How do spiders make webs?
0
How is a rainbow formed?
0
How does an elevator work?
0
How does the postal system work?
0
How does a washing machine clean clothes?
0
How are tornadoes formed?
0
How do ants communicate?
0
How does a waterfall form?
0
How is silk made?
0
How do we get clean water?
0
How are houses built?
0
How does a seismograph work?
0
How is leather made?
0
How is bread made?
0
How is a book printed?
0
How is beer brewed?
0
How does a flashlight work?
0
How are tunnels built?
0
How is pottery made?
0
How is rubber made?
0
How is soap made?
0
How does an oven heat food?
0
How does a photocopier work?
0
How is wool made into yarn?
0
How is an ice sculpture made?
0
How do tides work?
0
How are fireworks made?
0
How is concrete made?
0
How do we measure time?
0
How does a sewing machine stitch fabric?
0
How is a guitar tuned?