100 Award-winning Science Fair Projects |
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Page 14
... solution of ammonia and cop- per carbonate and brushing it on the item you wish to oxidize . Since brass is a combination of copper and zinc , you can use the solution to create verdigris on brass objects as well as on copper ones ...
... solution of ammonia and cop- per carbonate and brushing it on the item you wish to oxidize . Since brass is a combination of copper and zinc , you can use the solution to create verdigris on brass objects as well as on copper ones ...
Page 116
... solution to cool to room temperature . 2. Fill the beaker to the top with the sugar- water solution . Dispose of the excess solution . 3. Place the beaker on the stand , and put the mirror directly under the beaker . Swivel the mirror ...
... solution to cool to room temperature . 2. Fill the beaker to the top with the sugar- water solution . Dispose of the excess solution . 3. Place the beaker on the stand , and put the mirror directly under the beaker . Swivel the mirror ...
Page 172
... solution and stir carefully for about 7 minutes . Be patient and don't stir too rapid- ly or you might break up the delicate strands of DNA in the solution . 5. Carefully pour a portion of the stirred solution into the drinking glass ...
... solution and stir carefully for about 7 minutes . Be patient and don't stir too rapid- ly or you might break up the delicate strands of DNA in the solution . 5. Carefully pour a portion of the stirred solution into the drinking glass ...
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allow angle Attach ball birefringent bottle bucket cardboard carefully cellophane circle clay color compass contour line Craft knife create cubic dial diameter drawing Drill dune Earth Earth-to-Sun Distance edge electrical electrophorus Explanation Felt-tip marking pen foam board glass glue hanger hole inches inferior planets Leyden jar light liquid magnet Masking tape Measure Mercator projection metal meter methyl salicylate microphyle mirrors molds Moon move nail Need needle paper clip pencil pendulum Phenakistoscope philodendron phonograph photographs piece Place plant plaster plastic Pluto plywood polarized poster board potato Procedure protractor Quakemaster Record your observations refractive index Repeat step Result rotate rubber bands ruler salt sand scientists screen screw seeds side soap soil spoon square star star clock station stereoscopic string strip Stroboscopic Styrofoam sugar surface teaspoon test tube tracing waves wooden dowel yardstick