Exploring Data Transmissions and Energy Generation in Space Missions
Dive into Grade 7 research on data transmission rates, mathematical expressions, and solar panel energy calculations in space missions. Explore concepts like spacecraft fuel needs and distances between planets.
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Presentation Transcript
PBLA Grade 7 2024 -2025
1 Page 12-13 Expressions The rate of data transmissions The rate of data transmissions from hope probe back to earth from hope probe back to earth
Page 12 Page 12 Research : Research : . . . .. . . . ..
P 12 P 12 1.2 1.2 1.1 1.1 Hope Probe : Hope Probe : Hope Hope Prope 2(3x+5) 4x+8 Simplify : . 4x+8 Simplify : . If x=2 If x=2 Prope Another space craft : Another space craft : 2(3x+5) 4x+8 4x+8 If x=2 If x=2 X increased by 3 X increased by 3 .. . .. . .. .. . .. .. Which space craft transmits the data Which space craft transmits the data faster faster ? ? . . . ..
P. 12 , 13 P. 12 , 13 1 1 1 1 1 1 1.3 1.3 x x x x x x x x Modeling Modeling Another space craft Another space craft . Hope Probe Hope Probe 4x+8 4x+8
2 Page 14-15 Re-writing Expressions The hope probe uses solar Panel The hope probe uses solar Panel to generate energy to generate energy Student will calculate the energy from solar panel Student will calculate the energy from solar panel given the number of optimal sunlight hours given the number of optimal sunlight hours
P. P. 14 14 , , 15 15 Rewrite this expression Rewrite this expression 5(2z+6) 5(2z+6) 5(2z+6) 5(2z+6) .. .. Explain: Explain Explain: Explain: : ..
P. 14 , 15 P. 14 , 15 Simplify the expressions : Simplify the expressions :
P. 14 , 15 P. 14 , 15 Example Example 3 3 : : Example 1 : Example 1 : Example 2 : Example 2 : . . .. .. Formula Formula . . . . .. .. Formula Formula . . . . .. .. Formula Formula . . Pictures Pictures Pictures
3 Page 16-17 Re-writing Expressions
Objectives: Objectives: Search and Learn about the Search and Learn about the distance between Earth and other planets other planets and the and the amount of spacecraft fuel needed . amount of spacecraft fuel needed . distance between Earth and
P. P. 16 16 , , 17 17 Page 14
Total fuel needed in kilogram Total fuel needed in kilogram Average distance Average distance between the earth between the earth and the planet and the planet d d 300 300 Million kilometers Million kilometers Planets Planets ? = ??? + ??? . . .. F = F = kilogram . . .. F = F = kilogram . . .. F = F = kilogram Mars Mars kilogram Jupiter Jupiter . . kilogram Million kilometers Million kilometers . . kilogram Million kilometers Million kilometers . . .. F = F = kilogram . . kilogram Million kilometers Million kilometers
Hope probe Hope probe D= 300 D= 300 million kilometers million kilometers F= 3500 F= 3500 kilograms kilograms
P. 16 , 17 P. 16 , 17 Hope probe has Hope probe has F = 3500 fuel remaining. fuel remaining. F = 3500 kilograms of kilograms of If the fuel is If the fuel is not not enough enough to return to return Is the fuel Is the fuel enough trip to earth from mars ? trip to earth from mars ? enough to complete the return to complete the return Find solutions ? Find solutions ? . . How much fuel left ? How much fuel left ? . .
Hope probe Hope probe D= 300 D= 300 million kilometers million kilometers F= 3500 F= 3500 kilograms kilograms
Distance between Earth Distance between Earth and Jupiter ? and Jupiter ? million kilometers kilometers million F = kilograms P. 16 , 17 P. 16 , 17
4 Advanced Student Advanced Students s only only Extension Investigation and Creativity Extension Investigation and Creativity
P. 18 , 19 P. 18 , 19
P. 18 , 19 P. 18 , 19 D = D = 60 X ? X ? 60 megabytes per second megabytes per second
F = 500 Kilograms F = 500 Kilograms n ? n ? P. 18 , 19 P. 18 , 19
P. 18 , 19 P. 18 , 19
After Adjustment After Adjustment Before Adjustment Before Adjustment 4.3 4.3 Number of active data Number of active data Channels Channels ? ? = = .. .. ??= .. .. Data transmission rate Data transmission rate D D Megabytes per second Megabytes per second ??= ???+ ? ? = ??= .. . .. . ??= .. . .. . Fuel Fuel ? = . . F F kilograms kilograms Number of orbital Number of orbital adjustments adjustments n n ??= ????+ ??? ? = ??= = .. . .. .
4.3 4.3 . . . . . . . .
