The Human Body
What is the name of the organ that helps you breathe in oxygen and breathe out carbon dioxide?
The Lungs
If you open a door, are you using a push or a pull?
A pull
What do your eyes need in order to see things clearly?
light
What hot, melted rock flows out of a volcano during an eruption?
Lava
I beat without stopping, yet I’m not a drum.
I’m hidden inside where your blood flows from.
I pump and I squeeze, to keep you alive,
Guess who I am—what makes you thrive?
The Heart
Which organ starts the digestion process by chewing food and mixing it with saliva?
the mouth
If you drop a ball and throw another ball forward at the same time, what force pulls both of them down to the ground?
Gravity
When light hits a mirror, it bounces back. What is this called?
reflection
What is the name of the opening at the top of a volcano where lava and gases escape?
The Crater
I’m not alive, yet I help people stay,
I’m built with care where kids might play.
You need me strong, with roof and floor,
Add windows and doors, and maybe one more.
house
I’m a large, reddish-brown organ that helps clean your blood, store energy, and produce bile to break down fat. What am I?
The Liver
Why is it harder to slide a box across carpet than across a smooth wooden floor?
Because there is more friction on carpet
Why can you see lightning before you hear thunder, even though they happen at the same time?
Because light travels faster than sound
Name one of the three main types of volcanoes: shield, composite, or what?
Cinder Cone
I push and I pull to make things move,
Sometimes I’m gentle, sometimes I prove
That I can stop or make you go—
On swings or slides, I steal the show!
Force
What is the name of the tiny air sacs in your lungs where oxygen goes into your blood and carbon dioxide comes out?
Alveoli
When a parachute opens, it slows someone down as they fall. What force is helping to slow them down?
Air resistance
When you put a straw in a glass of water, it looks like it bends. What is this bending of light called?
Refraction
What causes volcanoes to form on the Earth’s surface?
Movement of tectonic plates (or plates moving apart or colliding)
I sleep for years, then suddenly shout,
Red rivers flow when I let it all out.
Ash in the sky, lava below,
I shape the land with every blow.
Volcanoes
Put these parts of the digestive system in the correct order and name two organs that help with digestion but food doesn’t pass through them.
mouth, liver, stomach, pancreas, esophagus, small intestine, large intestine.
Mouth → Esophagus → Stomach → Small Intestine → Large Intestine
Organs that help with digestion but food doesn’t pass through them:
Liver and Pancreas
Magnets can attract some materials but not others. Name one material magnets attract and one they do not.
Magnets attract iron (or steel) and do not attract plastic (or wood, rubber, etc.)
When bright lights from buildings or street lamps shine into homes or places they’re not meant to, it’s a kind of light pollution. What is this called?
Light Trespass
What is the name of the cloud of ash, gas, and rock that can shoot high into the sky during a volcanic eruption?
Pyroclastic flow or volcanic ash cloud
I’m made by machines or lights that glow,
Sometimes too much, and it starts to show.
I hurt your ears or hide the stars—
Too much of me can go too far.
(Accept either Sound Pollution or Light Pollution)