Unused items

• There is no gravity in space
• Astronauts appear weightless because there is no gravity in space
• Gravity only works on falling objects
• Gravity keeps the International Space Station in orbit around the Earth
• All objects – even people – are attracted towards each other by gravity
• A 1 kg mass dropped from a 100 km high tower would float away
• Gravity keeps the Moon orbiting around the Earth
• A 1 kg mass dropped from a 30 km high tower would fall straight down
• The Moon is a satellite
• Gravity only affects things on Earth