Sheet # 92/Volcano
Name: _____________________ Date_____________
Show your work.
1) If lava is flowing at 3 miles per hour, how far will it flow in 6 hours?
2) An erupting volcano is spewing ash into the air. If it spews 2,100 tons of ash the first minute, 900 tons of ash the second minute, and 1,800 tons the third minute, how much ash is thrown into the air in the first three minutes?
3) Four town have to be evacuated because of a volcanic eruption. Smithville has 785 people, Jonestown has 1,110 people, Cartertown has 382 people, and Piney Point has 190 people.
a) Which town will probably take the longest to evacuate?
b) How many people in the 4 towns need to be evacuated in all?
4) A volcano's crater is 12 miles across. After it erupts, it's crater is twice the size it was. How wide was the crater AFTER the eruption?
5) Lake Placid has about 28 million gallons of water, Crater Lake has about 44 million gallons of water, and Silver Lake has about 17 million gallons of water. After a volcanic eruption, all are destroyed. ABOUT how many million gallons of water were lost?
a) 70 million
b) 80 million
c) 90 million
d) 100 million
Answers for Sheet # 92
1) 18 miles
2) 4,800 tons
3)
a) Jonestowns
b) 2467 people
4) 24 miles
5) 90 million