Sheet # 5/Earth Day
Name: _____________________ Date_____________
Explain and Show Your Work
1) A small drip from a leaky faucet can waste over 50 gallons of water per day. Approximately how many gallons of water are wasted per hour?
2) If a five-minute shower can consume 35 gallons of water, how many gallons of water will be consumed during a nine-minute shower?
3) One 15-year old tree makes enough paper for only 700 grocery bags. How many 15-year old trees will it take to make 9800 grocery bags?
4) In a 1999 beach cleanup along Texas's shoreline, 15,600 plastic six-pack rings were found in 3 hours. How many rings were found in 9 hours?
5) Over 2,250 species of plants and trees can be found in a rainforest. If 750 of these are trees, how many others are plants?
6) Thirty feet of rain falls on the rain forest each year. How many feet is that per month?
7) Americans throw away 2.5 million plastic bottles every hour. How many bottles are thrown away ever 3 hours?
8) One tree makes enough paper for only 700 grocery bags. If Kroger's uses ¼ of these bags a month, how many bags will that be?
9) Planting a tree will enrich and conserve the soil, as well as remove large quantities of carbon dioxide from the environment. If we plant a 10-foot tree and it grows ½ inch each month, how many total inches has this tree grown in a year?
10) Each week it takes over 500,000 trees to supply Americans with the daily newspaper. If we cut 50% fewer trees each week, how many trees would we be saving?
Answers for Sheet # 5 (Earth Day)
1) 2 gallons/day
2) 63 gallons
3) 14 trees
4) 46,800 rings
5) 1500 plant species
6) 2.5 feet of rain/month
7) $7.5 million bottles
8) 175 bags
9) 6 inches
10) 250,000 trees