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  U ndersta ndi ng Scie ntific Tools 1. Microscope  A microscope is widely used in biology labs for the study of tiny specimens.  2.  Magnifying glass This is basically a  lens that allows object enlargement 3. Voltmeter These are  used in electrical devices  to  measure the voltage (force)  in an electrical circuit 4. T est tubes Test tubes are used to hold the liquids upright and are kept in test tube stands, as they can't hold themselves straight because of the curved bottoms.  5.  Beakers Glass beakers can withstand high temperatures, therefore they are used in laboratories for performing various experiments. 6. Dropper A dropper is mainly used to transport small amounts of a measured volume of liquids to chemicals. 

  Week 1 - Sept 4th - 8th Mathematics Topic: Finding  a Fraction of a number (Fou n datio n  for percentages) Step 1 : Divide by the bottom... Step 2 : Multiply by the top. * Write the questions.  *Owia, please show  both methods.  1.  2.  Maddy reads three-fifth of 75 pages of his lesson. How many pages does she read? 3.  Eric swam 35 laps in the pool. He swam backstroke for two-fifth of the laps. How many laps did Eric swim doing the backstroke? 4.  The school choir has 81 members. Two-thirds of the members are girls. How many girls are in the choir? 5.  There are 110 students eating lunch in the cafeteria. Four-elevenths of them brought lunches from home. How many students brought lunches from home? 6.  A summer camp has 240 campers. Two-sixths of them like archery. How many campers like archery? 7.  The neighborhood association has 180 members. One-ninth of them voted for Jack for president. How many members voted for ...