Space Exploration Math 24

#1 How many minutes does it take for a radio message to reach Mars at its closest distance to Earth, if the distance is 34.8 million miles and radio waves travel at 186,000 miles per second?

• 3.12 minutes

• 22.40 minutes

• 187.097 minutes

• 2.84 minutes

Tags

CCSS.6.RP.A.3D

#2 What is the time taken for a radio message to reach Mars at its farthest distance from Earth, given that the distance is 250 million miles and radio waves travel at 186,000 miles per second?

• 3.12 minutes

• 22.40 minutes

• 187.097 minutes

• 2.84 minutes

Tags

CCSS.6.RP.A.3B

#3 If an astronaut on Mars needs 730 grams of oxygen per day, how many kilograms of oxygen will they need for a day?

• 0.84 kilograms

• 7.30 kilograms

• 613.2 kilograms

• 0.073 kilograms

Tags

CCSS.5.MD.A.1

#4 How many liters of water would be required for a day on Mars if the daily requirement is 25.9 liters per person and there are 104 people in the crew?

• 2,693.6 liters

• 259 liters

• 104 liters

• 25.9 liters

Tags

CCSS.6.NS.B.3

#5 If 1.27 pounds of food are needed per meal, how many pounds of food are needed for 730 meals?

• 2,781.3 pounds

• 925.1 pounds

• 1,251.59 pounds

• 3,81 pounds

Tags

CCSS.6.NS.B.3

#6 What is the total weight of food, water, and oxygen combined in kilograms?

• 4,558.39 kilograms

• 5,558.39 kilograms

• 3,558.39 kilograms

• 6,558.39 kilograms

Tags

CCSS.3.MD.A.2

#7 How much does it cost if the total weight of supplies is multiplied by $20,000?

• A) $91,167,800

• B) $81,167,800

• C) $101,167,800

• D) $71,167,800

#8 How much fuel does a rocket use to reach a height of 61 kilometers if it has a mass of 2.3 million kilograms at takeoff and 0.131 million kilograms after reaching that height?

• 2.169 million kilograms

• 2.431 million kilograms

• 2.0 million kilograms

• 1.169 million kilograms

Tags

CCSS.7.EE.B.3

#9 If it takes Earth 365 days to orbit the sun, how many days does it take Mars to orbit the sun, given that Earth's orbital period is about 0.531 times as many days as Mars' orbital period?

• 687 days

• 365 days

• 194 days

• 531 days

Tags

CCSS.6.EE.B.7

#10 If a bag of apples weighs 3 pounds on Earth, approximately how much would it weigh on Mars, where the gravitational pull is about 38% of Earth's?

• 1.14 pounds

• 1.50 pounds

• 2.50 pounds

• 0.38 pounds

Tags

CCSS.7.RP.A.3