History words with the S Sound
a significant decline in economic activity that lasts for months or even years
What is a recession (pronounced: re-seh-shun)?
These vertical funnels of rapidly spinning air have winds that may top 250 miles an hour and can clear a pathway a mile wide
What are tornadoes?
For this sound, you top teeth touch your bottom lip and there is no voice, just air that comes out of your mouth.
What is the F sound
treaty signed at the end of WW1 which made Germany pay money.
What is the treaty of Versaille (pronounced: vur-sigh)
a numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations.
What is a richter scale?
For this sound, your teeth are showing and your tongue is either curled up or bunched in the back of your mouth. You use your voice.
What is the "R" sound?
The war that lasted 3 months, 3 weeks and 2 days
What is the Spanish American war?
(make the "s" sound long!)
a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes
What is the ring of fire?
For this sound, your tongue curls up, just behind your teeth. Your voice is on. It's a longer sound.
What is the L sound?
an elastic wave in the earth produced by an earthquake or other means.
What is a seismic wave?
the formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges and its subsequent outward movement on either side.
What is seafloor spreading?
This sound is a short sound. The back of your tongue touches the back of your mouth, near your throat. Your voice is off.
What is the k sound?
two cities hit by nuclear bombs during world war II
What are Hiroshima and Nakasaki?
a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates which move slowly over the underlying mantle.
What are plate tectonics?
For this sound, your tongue goes in between your top and bottom teeth and air escapes, but you do not use your voice.
What is the "th" sound?