Science Riddles for Elementary Students

I fall from the sky but never get hurt, and I make rainbows appear. What am I?

I am the layer of air that keeps Earth cozy. What am I?

I am hot and bright, but I live far away in space. What am I?

I have craters, orbit Earth, and glow at night. What am I?

I am a simple machine that helps lift heavy loads. What am I?

I wear stripes, help plants grow, and zigzag across the sky. What am I?

I help you hear but I’m not an ear. I shake the air to bring you cheer. What am I?

I am a rock that melts and turns to lava. What am I?

I am a cycle that turns water into clouds and back to rain. What am I?

I have roots, a stem, and leaves that make food in sunlight. What am I?

I am a habitat covered in sand with very little rain. What am I?

I breathe through gills and live in the ocean. What am I?

I help plants spread by buzzing from flower to flower. What am I?

I have layers: crust, mantle, core. What am I?

I change from solid to liquid when you add heat. What am I?