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Viewer Mail! – How Do Bugs Hang Upside-Down?

Viewer Mail! – How Do Bugs Hang Upside-Down?

♪Intro♪ One of the best parts of our day here at the
Fort is checking our email. We get so many awesome science questions! Even though we can’t answer them all, today
Squeaks and I wanted to answer some of them! Okay, our first question is from Kelsey. Kelsey wants to know, “Why is it harder
to run uphill and easier to run downhill?” Interesting question, Kelsey! It’s easier to run down a hill than up a
hill because of gravity, which is a force that pulls you — and everything else on
the planet — toward the ground. Forces are the pushes and pulls that happen
to us and all around us every day. When you push a block along the floor or roll
a ball, you’re putting a force on it! Gravity is a force, too, and it’s pulling
on us all the time, even though we can’t see it. But we sure can feel what gravity does! Like, when I jump into the air … like that … I don’t stay up for very long because gravity
pulls me right back down to the ground. The reason I was able to be in the air for
even a little bit is because of another force: the push I made against the floor with my
legs. I pushed down with my legs hard enough to
overcome gravity, but only for a second. Now, if I push down harder … I can jump higher … But it takes more work. The same kind of thing happens when we run
up a hill. Our legs are trying to push our bodies up,
while gravity is pulling us /down/. We have to work hard to fight the pull of
gravity, and more work means we get tired faster! The opposite happens when we run down the
hill. This time, we get a little help from gravity,
since gravity is pulling us down — the same direction that we want to go. We’re not fighting against the gravity,
so it doesn’t feel like we’re working as hard. Thanks for your question, Kelsey! Our second question today is from Matty. Matty asked us, “How can insects climb walls
and be upside down?” That’s an awesome question! If I tried to climb a wall, gravity would
pull me right back down! So how do flies and other insects do it? Gravity pulls on everything — even the tiniest
fly! Well, some insects have special body parts
that help them to climb up walls and across ceilings. Because a wall or ceiling that looks or even
feels pretty smooth to us, really isn’t. If we could look at a wall really closely,
we’d see that they have lots of little bumps, cracks, and pits. And what seems like a tiny bump to us can
look like a comfortable place to stand for a tiny fly! Some insects have little claws or hairs on
the ends of their legs, which they use to help them grab onto the bumps in the wall
or ceiling. There are also some insects that make an oily
liquid that helps them to stick to a wall or ceiling. It’s sticky enough to keep their bodies
from falling down, but not sticky enough that they get stuck in one place! Thanks for your awesome question, Matty! We love getting comments and mail! So if /you/ have a question for us, ask a
grownup to help you leave a comment below, or to send us an email at [email protected]! We’ll see you next time, here at the Fort! ♪Outro♪

76 thoughts on “Viewer Mail! – How Do Bugs Hang Upside-Down?

  1. Witch planet is the first one to be created….-ari
    It's ok if you don't know cause I don't even know witch one is the second planet

  2. Oh yay a new Sci Show QQ about something I want to know! =D
    … Oh no it's really a new Sci Show Kids uploaded to the same channel. 🙁

    Seriously great job to the host and writers etc., well made thing as usual but oh wow it is not the kind of content I come to this specific channel for.

    Don't worry I still click that subscribe button and The Bell Icon every time.

  3. WHY dos sugar giv us a little bit of energy and fruits and vegetables giv us a lot of energy

  4. 1. Why do wheels work very fast?
    2. How does our heart beat when we stop breathing?
    3. What happens when a shark loses it's teeth?
    4. What if there was one continent?
    5. What makes our teeth dirty?
    6. How does a horse get a baby horse?
    7. Why is the Earth the only planet able to sustain life?

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