Science Ch. 1-3rd Grade
Terms
undefined, object
copy deck
- Powerful forces inside a magma chamber causes a volcano to do what?
- erupt
- When is magma called lava?
- When it reaches the Earth's surface
- What does an earthquake cause?
- The shaking and sliding of the Earth's surface
- True or False. Most earthquakes and volcanoes happen in the same place.
- True
- Why is driving during an earthquake dangerous?
- Because roads and bridges can be destroyed
- Why should you stay away from windows during an earthquake?
- To avoid breaking glass
- Name a few words that describe the shapes of landforms
- round, flat and high
- What is the movement of weathered rocks and soil called?
- Erosion
- What does animal waste increase in the soil?
- Nutrients
- How do farmers keep soil in place?
- By using certain kinds of crops
- What force does not cause erosion?
- electricity
- What happens to a volcano as more lava erupts and spreads?
- The volcano get taller and taller
- How is most soil held in place?
- By plant and tree roots
- What change does not happen quickly, earthquakes, weathering, or volcanoes erupting?
- weathering
- What is a mountain with a vent at the top called?
- A volcano
- A low area between mountains are: valley, bay or lake?
- valley
- A part of an ocean or lake is: valley, bay or plateau?
- bay
- A high place with a pointed top is: lake, mountain, or plain?
- mountain
- A large body of water surrounded by land is: valley, plateau or lake?
- lake
- A high place with a flat top is: plateau, plain or bay?
- plateau
- A large, flat area on a lowland is: valley, mountain or plain?
- plain
- A place where the land meets the ocean is: river, hill or coast?
- coast
- A huge mass of moving ice is: river, glacier, or coast?
- glacier
- A moving stream of water flowing into a lake or ocean is: hill, cliff or river?
- river
- A steep wall of rock or soil: coast, glacier, or cliff?
- cliff
- A huge body of salt water is: river, ocean, or coast?
- ocean
- A high place with a rounded top is: glacier, cliff or hill?
- hill
- What are landforms shaped by?
- force
- What holds soil on hillsides: animals, plants, or trees?
- plants
- What breaks up sidewalks: animals, plants, or trees
- trees
- What adds nutrients to soil: animals, plants, or trees?
- animals
- What cracks and moves boulders: animals, plants, or trees?
- trees
- What acts as a shield against wind: animals, plants, or trees?
- trees
- What helps to mix air and water with soil: animals, plants, or trees?
- animals
-
Science
Chapter 1 Unit C
3rd Grade -
Science
Chapter 1 Unit C
3rd Grade