Rocks
Rocks are made of more than one ________.
What is mineral?
You have a rock with small crystals and bands or stripes. What is it?
What is metamorphic?
The top layer of soil
What is topsoil?
You have a lump of something solid, gray, shiny, and made of ALL the same material. What is it?
What is a mineral?
Igneous rocks are made with ______.
You have some rocks. They all have crystals in them, except for one that looks like a big piece of black glass. One of them even floats. What is it?
What is igneous?
The four main things that make up soil
Weathering is the ______ of Earth's surface.
What is breaking up?
Sedimentary rocks are made by _______.
What is pressure?
What types of rocks are igneous?
What are obsidian, basalt, granite, and pumice?
The middle layer of soil
What is subsoil?
Erosion is the ______ of rocks and soil.
Metamorphic rocks are made by _______.
What types of rocks are sedimentary?
What are sandstone, limestone, conglomerate, and shale?
What do sand, silt, or clay have to do with soil?
What is Correct amounts of each need to be present to make good soil?
Name one way rocks can be weathered.
What is they are broken down by tree roots?
You have a rock that feels grainy and rough. It has layers in it and it also has a fossil in it! What is it?
What is sedimentary rock?
What types of rocks are metamorphic?
What are marble, schist, gneiss, and slate?
The bottom layer of soil
What is bedrock?
Name one way rocks can be eroded.