1) A tool that makes objects bigger a) Ruler b) Balance c) Hand Lens d) Stop Watch  2) A tool used to measure the length of an object. a) Stop Watch b) Ruler c) Balance d) Hand Lens 3) A tool that measures time  a) Balance b) Ruler c) Hand Lens d) Stop Watch 4) A tool that is used to protect the eyes a) Goggles b) Stop Watch c) Balance d) Hand Lens 5) A tool that is used to know the temperature. a) Thermometer b) Ruler c) Stop watch d) hand lens 6) Which of the following tools is not used to protect scientists? a) b) c) d) 7) Which of the following tools is used by scientists to observe? a) b) c) d)

Scientists' Tools

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