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  • Students Responses to Bald Eagle Challenge Questions # 1 & # 2:

    Challenge Question # 1
    "If you wore a backpack that weighed 2% of your body weight, how heavy would your backpack be?"

    From: ONTARIO
    Hello, Our names are MATHEW HENNESSEY (29kg) and THOMAS CROTEAU (32kg). If we had backpacks that weighed 2% of our body weight they would be: MATT 0.58kg and TOM 0.64kg. We calculated these figures by multiplying our weights by 2% on a calculator.
    Mrs. J. Halle's grade five class
    St. Thomas More Catholic School
    Kingston, Ontario,(

    From: ILLINOIS
    1.7 lbs. I got my answer by multiplying my weight which is 85 lbs. x 0.02. Justin Rodriguez
    Mr. VanAntwerp's 6th grade class
    James Hart Junior High
    Homewood, IL

    From: New Jersey
    I weigh 95 lbs. The backpack would weigh 1.9 lbs. 95X2X100%. Iselin Middle School.vIMS (

    From: VERMONT
    My name is Matthew R. and I am a third grader at Ferrisburgh Central School. First I weighed myself. Then I used a calculator to find out how much 2% of my weight is. I weigh 70 pounds so 2% is 1.4 pounds which is alittle under two pounds.
    Linda L. Thurber (

    From: ILLINOIS The answer: If I weighed 100 lbs., the backpack would weigh 2 lbs.I transformed 2% to 0.02 because 2% is 2/100. Then, I multiplied 100 lbs and 0.02. Then I knew it would weigh 2 lbs.
    Elisa Correa
    Mr. VanAntwerp's 6th grade classvJames Hart Junior High
    Homewood, IL
    Gary G Vanantwerp (

    From: ILLINOIS
    We thought that our backpack would weigh 1.4 pounds. We figured that our average body weight was 70 pounds. Then we said 2% of 70 pounds would be 1.4 pounds.vDr. Howard Elementary School
    Champaign, Il 61821
    Cheryll Douglas (

    From: FLORIDAvMy weight is 65 pounds and the backpack is 1.3 pounds.
    OHS Science Lab (

    Dear Journey North,
    I weigh 130 pounds. I have calculated that 2% of my body weight is 2.6 pounds. Therefore, a back on my back would weight 2.6 pounds. Thank you, Jason
    Lisa McGinley (

    From: shannon walden
    We calculated that the backpack would wiegh 2.3 lbs. We multiplyed .02 x 115. Danny and Stephen,

    From: Shella DelCurtovHi from the Halfway Elementary Sixth Grade, We dedided to use one students weight. The student weighed 80 lbs. We took 80x.02=1.6 for the weight of our backpack.

    My backpack would weigh 2.5 pounds (I weigh 125 pounds). Bev Ramolae
    Technology Learning Campus
    Robbinsdale, MN
    Bev Ramolae (

    Patrick weighs 70 lb.So the backpack would weigh 1.4 lb.
    James F Condon School, Boston Mass (

    From COLORADO:
    "We had 4 people in our group. Our weights were 78, 147, 96, 100 pounds. We calculated 2% of our body weight like this:
    78 x .02 = 1.56 lbs.
    147 x.02 = 2.94 lbs.
    96 x .02 = 1.92 lbs.
    100 x .02 = 2 lbs.
    That is how much backpacks that are 2% of our weight would weigh. Travis Rickman, Joel Perez, Josh Mendez, Andre Mata
    Angevine Middle School
    Lafayette, CO

    From: NEW YORK
    This is Gabriel Brotman, a member of the eagle team from Mrs. Berger's 5th grade class. If I wore a backpack that weighed 2% of my body weight, my backpack would weigh 2.44 lbs. Mrs. Berger showed us how to find a percent of a number. I changed the 2% into the equivalent decimal, .02 , and then multiplied my weight by it and got 2.44 lbs.
    Joan Berger, East Hills School, Roslyn, NY

    Challenge Question #2
    "If the satellite goes around the earth every 101 minutes, how fast is it moving?"

    Dear Journey North,
    We have calculated that the satellite is moving at a speed of 14,880 miles per hour. We calculated the number of hours in 101 minutes (1.68 hours)and then we divided 25,000 miles (what we think is the distance around the earth in miles) by 1.68 and got the answer 14,880 miles per hour. Thank you,
    Jeff and Micheal
    Lisa McGinley (

    From: NEW YORK
    This is Gabriel Brotman, one of the eagle team members from Mrs. Berger's 5th grade class. If the satellite goes around the Earth every 101 minutes, I think that it would be traveling at about 248.32 miles per minute. I think that the distance around the equator is 25,000 miles so I divided that by 101 to get distance per minute.
    Roslyn Public Schools
    Roslyn, NY 11577
    Joan Berger, East Hills School, Roslyn, NY

    We found our answer to be 23,629 km/hr. We took the circumference of the earth at the poles 39,776 km and divided it by 101 minutes. We then multiplied that by 60 and got our answer=23629 km/hr. Melissa Plumadore
    Smith Vocational H.S.
    Northampton, MA 01060
    michael quinlan (

    Floyd Haan (
    The answer to the question about the speed the satellite is traveling was 247 miles per hour. We found the diameter of the earth at the equator which was 24,955 miles. That number was divided by 101.
    Pollock, SD science class