Fill in the Blanks 5th grade, day 2 activity. Online version Fill in the blanks with the correct answer. by Renier Pérez 1 technology axles rim traction transportation transferred rotates Gears spokes grind haul rods 1 Car , trains , and planes are forms of . 2 The bus broke down , so we to another one . 3 People can goods with carts and horses . 4 Wheels on cars are connected by . 5 The Earth around the sun . 6 The on my bicycle wheels are made of thin metal . 7 The is the outer part of a wheel . 8 Our car lost when we drove on the ice . 9 work with the chain on my bike to make it go . 10 You have to coffee beans before making coffee . 11 Computers and MP3 players are types of . 12 We used metal to hold up the tent .