Bridges
Landforms
The Water Cycle
Water
Volcanoes
100

This geometric shape is so strong that bridges are constructed of them.  Not rectangles.

What is a Triangle?

100

This landform is steep and tall.  A bunch of these together is called a "Range".

What is a Mountain?

100

This is what we call rain, hail, sleet and snow.

What is Precipitation?

100

This is the largest body of water that separates continents.

What is an ocean?

100
Do Volcanic eruptions change the land quickly or slowly?

What is Slowly?

200

This double decker downtown Portland bridge carries both people and heavy rail trains.

What is the Steel Bridge?

200

This landform is created over millions of years, and typically has a river running through it.

What is a Canyon?

200

When water rises into the air it is called this.

What is Evaporation?

200

This type/body of water is usually represented with squiggly blue lines and can sometimes shape states.

What is a river?

200

What is the name of the Volcano that erupted May 18, 1980?

What is Mt. St. Helens.

300

This bridge, built in 2015, does not carry private individual commuter cars.  It is white.

What is the Tilikum Crossing?

300

This can be "U" or "V" shaped.  It is typically good for farming.

What is a Valley?

300

When water collects in rivers and lakes, it is called...

What is Accumulation?

300

This river runs through downtown Portland.

What is the Willamette River?

300

What is the molten rock called that before it reaches the surface?

What is Magma?

400

This bright green suspension bridge in North Portland built in 1931. Protesters dangled off of it in 2015 because of an oil drilling rig being serviced in the area.

What is the St. John's Bridge?

400

This land form is generally flat and can be frozen, grassy, forested or at the bottom of the ocean floor.

What is a plain?

400

Liquid water turns into this gas when it heats up.

What is Water Vapor?

400

This river separates most of Oregon from Washington.

What is the Columbia River?

400

Most volcanoes are not active and some will never do this.

What is Erupt?

500

This type of beam/girder bridge is identifiable by its triangles.  We all build one.

What is a Truss bridge?

500

This landform is surrounded by land on 3 sides.

What is a Bay?

500

This is what we call water forming clouds.

What is Condensation?

500

This ocean touches Oregon, Hawaii and Asia.

What is the Pacific Ocean?

500

An earthquake under water can cause this damaging event.

What is a tsunami?