Rocks
What are rocks made out of?
Many minerals!
What is the layer of the Earth that we walk on?
The crust
What is soil made out of? Name 3 ingredients.
Rocks, wood, bugs, oxygen, leaves, twigs, water
What are the three types of rocks?
Igneous, Sedimentary, Metamorphic
What kind of scientists study rocks and minerals?
Geologists!
What is the texture of a rock?
How hard, smooth or uneven a rock feels.
How is the Earth like an apple?
They are both round, have a core, have a crust/skin, and have layers.
NOT A SOIL QUESTION-->
Sometimes when an animal dies, their bones turn into rock and gets trapped. What are these rocks called?
Fossils
How are igenous rocks formed?
Lava or magma cools and becomes igneous rocks.
Name 2 uses for rocks in the world.
Roads, makeup, medicine, knives, countertops, buildings, jewelry, pots, roofs, gravestones, home decor...
If you scratch a rock on your fingernail, and your fingernail gets a scratch on it (some of your fingernail comes off on the rock), which is harder-- the rock or the fingernail?
The rock!
What is the thickest layer of the Earth?
The mantle
How do rocks become soil?
They are broken down by weathering such as ice, water, etc.
How are metamorphic rocks formed?
Rocks are put under heat and pressure and changed into metamorphic rocks.
Which type of rock has layers?
Sedimentary!
How are rocks like chocolate chip cookies?
The different ingredients that make up a cookie are like the different minerals that make up a rock!
Which layer of the Earth is liquid?
The Outer Core!
Name one reason why soil is so important in our environment.
Soil holds up plants, makes food for plants, and helps rain and snow soak into the ground.
How are sedimentary rocks formed?
Small rocks are washed into lakes, rivers and oceans and settle on the bottom. The rocks settle on top of older layers and those older layers are pressed down. The older, bottom layers turn into sedimentary rocks.
What are two types of weathering?
Wind, rain, water or ice!
What does "lustre" mean?
The "shininess" of a rock or mineral-- shiny, dull, glassy, metallic, earthy
What two metals make up the inner and outer core of the Earth?
Iron and Nickel
How does air get into the soil?
There are little holes called pores in the soil where the air goes into.
What type of rocks have fossils in them? Why?
Sedimentary rocks because animals die and get stuck between the layers over time.
How can you tell when a rock has carbonates? (hint: think of the acid from our fieldtrip)
When you put acid on the rock and the acid bubbles! That means there's a reaction between rocks and the acid.