1) Steel is a combination of a) iron and water b) Iron and other materials 2) Concrete is a combination of a) cement ,sand ,gravel,steel b) cement ,sand,gravel ,water 3) steel is a) strong, hard metal b) soft metal 4) steel can be formed into a) beams ,cables and wires b) bricks,glass 5) when we combine cement ,sand, gravel and water we make a) steel b) concrete 6) the hardened concrete is a) weak b) strong 7) .............................. means to put materials together a) combine b) concrete 8) Tape is ......................and ......................... a) flexible and hard b) flexible and sticky 9) Materials have .......................... properties  a) same b) different 10) you can make a kite by ......................... material a) one b) more than one 11) In the footbridge ..............................holds wooden parts together a) Nails ,Bolts b) Tape,Glue 12) Concrete and steel bridges are .................. a) strong b) Weak 13) Concrete is made only of one material a) True b) False 14) Steel is made of Iron only a) True b) False 15) ................................holds bricks together in buildings a) Mortar b) Tape and Glue

Grade 2 week 12

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