Why Do Tears Come Out When I Cry? Science for Kids

Ages 5–10 | Volcanoes erupt when rising magma and expanding gas escape through openings in Earth's crust.Discover why some eruptions pour out lava while others blast out ash. Find out how fizzy water helps explain growing gas bubbles.Try this at home: Compare bubbles in open cups of still and fizzy water. Where was the gas before the bubbles appeared?Website, all episodes and transcripts: https://dadhowdoesitwork.com/Listen everywhere: https://pod.link/1877456012

Ages 5–10 | Burps and farts let gas leave your digestive system.Discover how swallowed air becomes a burp and how tiny gut bacteria make more gas. Find out why a loud fart isn't always a smelly one.Try this at home: Discuss why eating slowly might reduce burps but not stop every fart.Website, all episodes and transcripts: https://dadhowdoesitwork.com/Listen everywhere: https://pod.link/1877456012

Ages 5–10 | Goosebumps happen when tiny muscles at the bottom of your hairs squeeze and make the hairs stand up.You climb out of the pool and little bumps appear on your arms.Then a scary sound in a film makes them come back.Why do cold and fear give you the same goosebumps?Look closely: the tiny hairs are standing up too.Something beneath your skin is pulling them.But how could raised hairs help with either cold or danger?Website, all episodes and transcripts: https://dadhowdoesitwork.com/Listen everywhere: https://pod.link/1877456012

Ages 5–10 | A refrigerator moves heat from inside to the outside, which keeps your drink cold.You put a warm bottle in the refrigerator and come back to cold water.But no ice touched it.Where did the warmth go?And why can the outside of the fridge feel warm?Something inside keeps picking up heat and carrying it away.So what would happen if you left the door open to cool the kitchen?Website, all episodes and transcripts: https://dadhowdoesitwork.com/Listen everywhere: https://pod.link/1877456012

Ages 5–10 | A curious question, a clear answer. Why do your fingers get wrinkly in water? How do trees talk to each other? How does a cut heal?Dad, How Does It Work? is a science podcast for curious kids ages 5–10 and their parents. Each episode answers one big question kids ask, and most episodes are under 10 minutes, great for car rides and bedtime questions.Liked this one? Please rate the show on Apple Podcasts or Spotify. It helps other curious families find us.Listen everywhere: https://pod.link/1877456012

The lost dog finally comes home, and your eyes fill with tears.But you're happy. Why are you crying?Were there tears in your eyes all along?Where does the extra water come from?Why does some roll down your cheeks while your nose starts to run?And why does an onion make tears appear for a completely different reason?

You are sitting in a quiet classroom, waiting for lunch.Your stomach suddenly growls loudly enough for someone else to hear.Is it asking for food?What is moving in there when you have not eaten for hours?Could the sound come from somewhere besides the stomach?And why can your belly rumble even after a meal?

You rinse greasy pizza fingers under the tap.The water runs over them, but they still feel slippery.Why can water wash away mud but struggle with oil?What does soap add that water is missing?Are the bubbles really doing the cleaning?Does soap have to kill every germ to get it off your hands?Somehow, soap helps water grab what it could not grab alone.

Ages 5–10 | Why do bites and cuts feel worse in the shower? You step into the shower with a mosquito bite or a tiny cut.It was barely bothering you before.Then the water touches it, and suddenly it itches or stings.But why would clean water make it feel worse?Is the water doing something to your skin?Or was the bite already sending a signal?And why does scratching feel good, even when it makes the itching come back?Liked this one? Please rate the show on Apple Podcasts or Spotify. It helps other curious families find us.Listen everywhere: https://pod.link/1877456012

You tap your credit card on the machine.Beep. Green check mark. Done.But... what actually just happened?No cash moved. The card barely touched anything.So how did the shop know the payment was okay?And why can a card sometimes be declined even when there’s money in the account?That tiny tap is actually sending a permission request through several computers before the beep ever happens.