Analyse distance–time 3.5.7 Applying key ideas data Interpret data and apply ideas about motion to the context of ferry and train travel Use ideas about forces, including equilibrium, to compare and explain various aspects of motion Describe gravity as a Worksheet 3.5.8 Quick starter; 3.5.8 Understanding Gravity force, weight = non-contact force gravitational fields mass × gravitational Video; Interactive Explore the concept of field strength (g), on activity: Order the Earth g = 10 N/kg, gravitational field and weights, from different on other weight largest to smallest; planets and stars Relate this concept to Slideshow: Mass life on Earth and weight an – explanation of the two Apply the concept of Worksheet 3.5.9 Quick starter; 3.5.9 Applying ideas Gravity force, weight = gravity causing weight about gravitational mass × gravitational Interactive activity: to other situations fields field strength (g), on Drag the statements Earth g = 10 N/kg, Explore implications of into the correct different on other varying gravitational group - those which planets and stars field strength describe a strong gravitational field, and those which describe a weaker field
3.5.7 Applying key ideas Analyse distance–time data Interpret data and apply ideas about motion to the context of ferry and train travel Use ideas about forces, including equilibrium, to compare and explain various aspects of motion 3.5.8 Understanding gravitational fields Gravity force, weight = mass × gravitational field strength (g), on Earth g = 10 N/kg, different on other planets and stars Describe gravity as a non-contact force Explore the concept of gravitational field and weight Relate this concept to life on Earth Worksheet 3.5.8 Quick starter; Video; Interactive activity: Order the weights, from largest to smallest; Slideshow: Mass and weight – an explanation of the two 3.5.9 Applying ideas about gravitational fields Gravity force, weight = mass × gravitational field strength (g), on Earth g = 10 N/kg, different on other planets and stars Apply the concept of gravity causing weight to other situations Explore implications of varying gravitational field strength Worksheet 3.5.9 Quick starter; Interactive activity: Drag the statements into the correct group - those which describe a strong gravitational field, and those which describe a weaker field