| Question | Answer |
|---|---|
| What is the changing of rocks over time? | rock cycle |
| What is the bottom layer of soil? | bedrock |
| What is a layer of soil? | horizon |
| What is the type of rock that forms when melted rock cools and hardens? | igneous |
| What is the breaking down of Earth's surface into pieces? | weathering |
| What are the remains of decayed plants and animals? | humus |
| What is the process of moving sediment to other places? | erosion |
| The soil in your garden feels right. What physical property of the soil are you observing? | texture |
| Which substance makes up most of Earth's crust? | rock |
| What property do all soil horizons share? | partly weathered rock |
| Which of these processes does NOT contribute to weathering and erosion that shapes landforms? Pressure Plants Waves Wind |
pressure |
| When two plates of the Earth push against each other, what landforms can be formed? | mountains |
| Sinkholes occur occasionally in Florida. What causes sinkholes? | water dissolves underground rock |
| Which layer of soil contains humus? | top |
| What could cause a soil sample to be dark in color? | the soil was likely from a forest and the humus has turned it dark |
| What could cause a soil sample to be light in color? | the soil was likely desert soil with little humus in it |
| How are rocks and minerals alike? | solid substances found in nature |
| How are rocks and minerals different? | there are more than 4,000 minerals and only 3 types of rocks |
| Which one is NOT one of the groups of rocks? Metamorphic Igneous Limestone Sedimentary |
Limestone |
| How are metaphoric rocks formed? | when molten rock cools |
| How are metaphoric rocks formed? | formed by any other rock with heat and pressure |
| How are sedimentary rocks formed? | made from sediments that have piled up over time |
| How is a streak test done? | rubbing a hard mineral or rock across a hard tile surface |
| A rock in a mine appears round and worm smooth. It could be a piece of a bigger rock or what else? | it could have washed into the mine from a stream of water |
