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Journeys Lesson 20: Bodies from the Ash
QuizΒ by Catherine Foote
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Q1. A teacher designs a lesson where students compute real-life percentages such as discounts and savings. π A student calculates 15% of 200 to determine savings in a purchase. What is the correct result? A. 20 B. 25 C. 30 D. 35 Q2. In a classroom activity, learners compare numbers to find the highest common factor for grouping materials evenly. π What is the GCF of 24 and 36? A. 6 B. 8 C. 12 D. 18 π FRACTIONS, DECIMALS, AND POWERS Q3. A learner converts fractions into percentages for data interpretation. π What is 3/4 expressed as a percentage? A. 50% B. 60% C. 75% D. 80% Q4. A student models exponential growth using repeated multiplication. π What is the value of 252^525? A. 25 B. 30 C. 32 D. 64 π ALGEBRA (EQUATIONS AND EXPRESSIONS) Q5. A teacher guides students to solve equations that represent real-life situations. π Solve: 2x+8=202x + 8 = 202x+8=20 A. x = 4 B. x = 6 C. x = 8 D. x = 10 Q6. Students simplify expressions to understand relationships between quantities. π Simplify: 3(x+4)β2x3(x + 4) - 2x3(x+4)β2x A. x + 12 B. x + 4 C. 5x + 4 D. 5x + 12 π FUNCTIONS AND GRAPHING Q7. A student analyzes a linear equation to determine its rate of change. π What is the slope of y=3xβ5y = 3x - 5y=3xβ5? A. -5 B. -3 C. 3 D. 5 Q8. A learner evaluates functions to predict outcomes. π If f(x)=2x+3f(x) = 2x + 3f(x)=2x+3, what is f(4)f(4)f(4)? A. 7 B. 9 C. 11 D. 14 π GEOMETRY Q9. Students explore geometric shapes and their properties through visual models. π What is the sum of interior angles of a triangle? A. 90Β° B. 180Β° C. 270Β° D. 360Β° Q10. A student calculates the area of a classroom table with dimensions 8 cm by 5 cm. π What is the area? A. 26 sq cm B. 30 sq cm C. 40 sq cm D. 48 sq cm π MEASUREMENT AND FIGURES Q11. A learner determines the volume of a cube used in a science experiment. π What is the volume of a cube with side 4 cm? A. 16 cubic cm B. 32 cubic cm C. 48 cubic cm D. 64 cubic cm Q12. Students identify shapes used in design projects. π How many sides does a hexagon have? A. 5 B. 6 C. 7 D. 8 π STATISTICS AND PROBABILITY Q13. A teacher helps students interpret data sets using measures of central tendency. π What is the mean of 4, 6, 8, 10, 12? A. 6 B. 8 C. 10 D. 12 Q14. A class experiment involves flipping a fair coin. π What is the probability of getting heads? A. 1/4 B. 1/3 C. 1/2 D. 2/3 π WORD PROBLEMS (APPLICATION) Q15. A car travels 180 km in 3 hours during a learning task on speed. π What is its average speed? A. 45 km/h B. 60 km/h C. 75 km/h D. 90 km/h Q16. Students analyze work efficiency in a project. π If 5 workers complete a task in 12 days, how long will 10 workers take? A. 3 days B. 6 days C. 8 days D. 12 days Q17. A student solves a problem involving ratios in a classroom population. π If the ratio of boys to girls is 3:2 and there are 30 students, how many boys are there? A. 12 B. 15 C. 18 D. 20 Q18. A learner determines the duration of a scheduled trip. π A journey starts at 8:30 AM and ends at 11:15 AM. How long is the trip? A. 2 hrs 15 mins B. 2 hrs 30 mins C. 2 hrs 45 mins D. 3 hrs 15 mins Q19. A student computes simple interest for financial literacy. π What is the simple interest on β±1000 at 5% for 2 years? A. β±50 B. β±75 C. β±100 D. β±150 Q20. A learner solves a perimeter problem involving a rectangle. π A rectangle has a length of 12 cm and perimeter of 34 cm. What is the width? A. 5 cm B. 7 cm C. 10 cm D. 11 cm β
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The film begins as a journey to film the largest animal on the planet, the blue whale. But during the journey the filmmakers (journalist Craig Leeson and environmental activist Tanya Streeter) make the shocking discovery of a huge, thick layer of plastic floating in the middle of the Indian Ocean. This prompts them to travel around the world to look at other areas that have been affected. In total, they visited 20 locations around the world during the four years it took them to make the film. The documentary premiered in 2016, and is now on streaming services such as Netflix.Itβs very clear that a lot of research went into the film. There are beautiful shots of the seas and marine life. These are contrasted with scenes of polluted cities and dumps full of plastic rubbish. We see how marine species are being killed by all the plastic we are dumping in the ocean. The message about our use of plastic is painfully obvious. But the film doesnβt only present the negative side. In the second half, the filmmakers look at what we can do to reverse the tide of plastic flowing around the world. They present short-term and long-term solutions. These include avoiding plastic containers and βsingle-useβ plastic products as much as possible. Reuse your plastic bags and recycle as much as you can. The filmmakers also stress the need for governments to work more on recycling programmers, and look at how technology is developing that can convert plastic into fuel We make a staggering amount of plastic. In terms of plastic bags alone, we use five hundred billion worldwide annually. Over 300 million tons of plastic are produced every year, and at least 8 million of those are dumped into the oceans. The results are disastrous, but it isnβt too late to change. Once youβve seen A Plastic Ocean, youβll realize the time is now and we all have a role to play.
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