8th Grade Physics QuizVersion en ligne Test your knowledge of 8th-grade physics concepts with this fun quiz! par theresita shanthi 1 What is the unit of force in the International System of Units? a Joule b Newton c Watt d Pascal 2 What is the formula for calculating speed? a Speed = Distance / Time b Speed = Distance + Time c Speed = Time / Distance d Speed = Distance x Time 3 What is the acceleration due to gravity on Earth? a 8.5 m/s² b 9.0 m/s² c 10 m/s² d 9.8 m/s² 4 What type of energy is stored in a compressed spring? a Kinetic energy b Chemical energy c Potential energy d Thermal energy 5 Which law states that for every action, there is an equal and opposite reaction? a Newton's Third Law b Newton's First Law c Law of Conservation of Energy d Newton's Second Law 6 What is the main source of energy for the Earth? a Geothermal b The Sun c Nuclear d The Moon 7 What is the term for the change of an object’s position over time? a Motion b Force c Energy d Mass 8 What is the formula for calculating work done? a Work = Force - Distance b Work = Force x Distance c Work = Force / Distance d Work = Force + Distance 9 Which of the following is a vector quantity? a Speed b Temperature c Mass d Velocity 10 What is the principle of conservation of energy? a Energy is always lost b Energy cannot be created or destroyed c Energy can be created d Energy can be destroyed
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