StudyBrix / Three-level worksheets / Grade 8 Motion & energy worksheet Grade 8 · Science · three levels
Grade 8 Motion & energy worksheet in three levels The same 20-question worksheet on motion & energy in Support, Core and Challenge versions. Question by question, each version keeps the topic and changes the difficulty.
Compare the three levels
Questions 20 (20 medium)
Grade range Grades 7 to 12
Topics Motion & energy Sample questions Lift a 11 kg mass vertically by 9 m. Using g = 10 m/s², find the increase in gravitational potential energy in J. Lift a 38 kg mass vertically by 9 m. Using g = 10 m/s², find the increase in gravitational potential energy in J. Velocity changes from 13 m/s to 101 m/s in 11 s. Find average acceleration in m/s².
Questions 20 (20 medium)
Grade range Grades 7 to 12
Topics Motion & energy Sample questions Velocity changes from 21 m/s to 17 m/s in 2 s. Find average acceleration in m/s². A perpendicular force of 243 N acts over 27 m². Find the pressure in Pa. A perpendicular force of 3103 N acts over 29 m². Find the pressure in Pa.
Questions 20 (20 challenge)
Grade range Grades 9 to 12
Topics Motion & energy Sample questions A 1 kg sample has specific heat 500 J/(kg·°C). Its temperature rises 16°C with no phase change. Find the energy gained in J. A 1 kg sample has specific heat 200 J/(kg·°C). Its temperature rises 21°C with no phase change. Find the energy gained in J. A 8 kg sample has specific heat 200 J/(kg·°C). Its temperature rises 21°C with no phase change. Find the energy gained in J. Using the three versions Start everyone with the same short explanation, then hand out Support, Core or Challenge. Question numbers line up across the versions, so you can go through the answers with the whole class. The PDF has a cover page and each version on its own pages; the answer keys PDF has all three keys. See the original worksheet or browse more three-level worksheets .