All living things on Earth are made of this element that has six protons. Plants, animals, and people are about eighteen percent ________.
Plants, animals, and people are about eighteen percent carbon.
A _______ studies matter, energy, and how things move. One can also use math to study magnets, electricity, heat, light, or sound.
A physicist studies matter, energy, and how things move.
You can ________ a strange, new species. If you like to adventure and find unexpected things, then you can be the first to see them.
You can discover a strange, new species.
________ is dark and shiny and it can be found inside a pencil. It's not as hard as a diamond, but they are both made from carbon.
Graphite is dark and shiny and it can be found inside a pencil.
We can make _______ when we write or draw with a pencil. It's transparent, strong, and made of carbon. It's harder than a diamond!
We can make graphene when we write or draw with a pencil.
Snow________ are small, flat pieces of ice that fall from the clouds in very cold places.
Snowflakes are small, flat pieces of ice that fall from the clouds in very cold places.
My glasses are ________ so that I can see through them. They're not opaque, so it's more difficult to notice them.
My glasses are transparent so that I can see through them.
My brother likes to do science ________ in his laboratory. He's a very smart scientist, so he always wears his goggles to be safe.
My brother likes to do science experiments in his laboratory.
Which one is the smallest? (1) Graphite. (2) Graphene. (3) Diamond.
(2) Graphene.
Which one is in all living things on Earth? (1) Gold. (2) Graphite. (3) Carbon.
(3) Carbon.
