Weather
Geography
Rocks and Soil
Force and Machines
Plants
100
This ecosystem has very not summers and very cold winters.
What is a grassland?
100
Flowing water, glaciers, icebergs and windstorms. One of these DOES NOT cause erosion.
What is an iceberg?
100
Over the centuries, the mountain in the distance has become flatter.
What is weathering?
100
A weak branch falls off a tree to the ground.
What is gravitational force?
100
Takes in water and nutrients for plants
What is the root system?
200
It was a hot, June day, and my feet were burning on the sand. But the ocean was too cold to swim in. This shows...
What warms up faster, the ocean or the land?
200
A twist, turn, or bend in a river
What is meander?
200
This rock is formed by volcanoes.
What is an igneous rock?
200
The moon stays in orbit, in the same place, around the earth.
What is magnetic force?
200
A plant with very long root systems and the ability to store water in it's stems lives here.
What is the desert?
300
It is 98 degrees outside, and the air is humid causing the water in the pool to ____________________.
What is evaporation?
300
The wind is from the east in our area at this moment.
What is a prevailing wind?
300
Weathered rock and humus.
What is soil made of?
300
A frog jumps onto a lily pad and the lily pad moves in the same direction as the frog was moving.
What is inertia?
300
We would have a hard time breathing if it weren't for trees.
How do plants help humans and animals?
400
These bring rain clouds from the west.
What is westerly winds?
400
The crops alongside the river were destroyed by an overflowing river.
What is a floodplain?
400
This rock is formed by deposits of sand-like clay, forming layers within the rock. Found in water or on the Earth's surface.
What is a sedimentary rock?
400
Two or more simple machines put together.
What is a compound machine?
400
Planting lots of bushes and trees.
What slows down erosion on a hillside?
500
A current of air that rises and falls in a circle ove the Earth's surface?
What is a convection cell?
500
Separate plates that include both continents and ocean floors and move very slowly over centuries.
What is the structure of the earth's crust?
500
An example of this type of force Joshua is coasting down a hill on his bicycle, but his speed is not increasing.
What is a balanced force?
500
A knife is an example of this.
What is a wedge?
500
Their leaves do not hold snow because they are short and pointy; therefore they do not break in the winter.
What is pine tree in a cold climate?
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