StudyBrix / Three-level worksheets / Grade 7 Motion & energy worksheet Grade 7 · Science · three levels
Grade 7 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 6 to 11
Topics Motion & energy Sample questions A device receives 3200 J and delivers 320 J of useful energy. Find its efficiency as a percentage. A device receives 2700 J and delivers 2025 J of useful energy. Find its efficiency as a percentage. An object moves at constant velocity 13 m/s for 39 s. Find displacement in m.
Questions 20 (20 medium)
Grade range Grades 7 to 11
Topics Motion & energy Sample questions An object moves at constant velocity -11 m/s for 23 s. Find displacement in m. A device receives 200 J and delivers 20 J of useful energy. Find its efficiency as a percentage. An object moves at constant velocity -12 m/s for 9 s. Find displacement in m.
Questions 20 (20 challenge)
Grade range Grades 9 to 12
Topics Motion & energy Sample questions A 14 kg sample has specific heat 200 J/(kg·°C). Its temperature rises 24°C with no phase change. Find the energy gained in J. A spring has constant 210 N/m and extension 14 cm within its linear range. Find the restoring-force magnitude in N. A 2 kg sample has specific heat 200 J/(kg·°C). Its temperature rises 19°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 .