Froggy Jumps shadow vocabulary practiceVersión en línea just play por Ateka Looney 1 an imaginary line that an object spins or revolves around a axis b cycle c phase 2 a process that repeats a position b cycle c rotate 3 the ability to do work or cause change; can be changed into different forms and can move between objects. a period b revolve c energy 4 waves of electromagnetic energy; electromagnetic energy that people can see. a sun b position c light 5 the circular path of an object as it revolves around another object a rotate b orbit c position 6 a length of time a season b period c position 7 the apparent shape of the lighted part of the moon that can be seen from Earth. a planet b position c phase 8 a large circular mass that revolves around a star a sun b planet c axis 9 a specific point in space a position b light c orbit 10 electromagnetic energy a light b rotate c radiation 11 to move around another object along a circular path, as in orbit a rotate b revolve c sundial 12 turning around on an axis; spinning a position b revolve c rotate 13 a period of the year determined by the position of Earth as it revolves around the sun a rotate b revolve c season 14 any star around which planets revolve a period b cycle c sun 15 a device that uses the position of the sun as it casts a shadow to measure time. a sundial b orbit c seasons