Earth Changes

Name one of the Earth changes we've studied so far.

• Snowstorms

• Earthquakes

• Flooding

• Typhoons

How many earthquakes occur every day?

• 5

• 500

• 45

• 50

Earthquakes are caused by the effect of...

• mountains, valleys, and even oceans

• magma lava inside the earth

• tectonic plates shifting and colliding

• seismographs

Scientists can measure the strength or _________ of earthquakes.

• speed

• magnitude

• temperature

• timing

Scientists use an instrument called a _______to measure earthquakes power.

• seismograph

• sizemograph

• radio signal

• quakster

Draw a diagram of how tectonic plates can move...

How many tectonic plates are there on the Earth's surface?

• 16

• 14

• 15

• 13

What two plates caused the Himalayan Mountains to form?

• Northamerican and Coco plates

• China and ceramic plates

• IndoAustralian and Eurasian plates

• Canadian and Pacific plates

Draw your best idea of tectonic plate boundaries on the Earth