1) What do we call the process of designing new or improved technology? a) Prototype b) Engineering c) Solution d) Criteria 2) What word means “something that needs to be fixed or made better”? a) Problem b) Criteria c) Solution d) Engineering 3) Which word means “something that fixes a problem”? a) Prototype b) Solution c) Engineering d) Criteria 4) Diego wants to make a small raft that floats on water. Which material would be the best to build the base of the raft? a) Thin metal sheets b) Heavy glass tiles c) Pieces of lightweight wood d) Clay bricks 5) What do we call a model used for testing a solution before making the final version? a) Criteria b) Problem c) Prototype d) Engineering 6) Ana wants to make a model bridge for her class project. It needs to hold small weights without sagging. Which material would be the BEST choice for the base? a) Pipe cleaners b) Popsicle sticks c) Tissue paper d) Index cards 7) Maria is making a sign to hang outside. She paints her poster but notices it bends and falls in the wind. She wants it to stay flat. Which material would be BEST to glue behind her poster? a) Tissue paper b) Cardboard c) Fabric d) Pipe cleaners 8) Bella is making a lunchbox liner that must keep sandwiches from getting wet. Which property should she look for in the liner material? a) It should be heavy b) It should be colorful c) It should be waterproof d) It should be bendable

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