By Faith Brynie
Whilst the technological know-how undertaking is due, this booklet involves the rescue With the rage towards hands-on studying, hundreds of thousands of ordinary scholars need to do technology tasks. normally, they point out this to their mom and dad the evening sooner than the undertaking is due. This booklet is helping busy mom and dad aid their young children create last-minute technological know-how tasks utilizing fabrics as a rule discovered round the apartment. It positive factors bankruptcy breakouts grouped through technological know-how venture topic, two-page spreads dedicated to particular technology initiatives, and factoids to get childrens drawn to the topic. mom and dad can speedy decide a suitable venture and spur their destiny scientists towards good fortune! religion Hickman Brynie (Bigfork, MT) is a author focusing on technology and wellbeing and fitness; she holds a PhD in technological know-how schooling, curriculum, and guideline and is a common author for the children’s technology journal Odyssey, in addition to the editor of assorted trouble-free institution technological know-how textbooks.
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Extra resources for CliffsNotes Parent's Crash Course Elementary School Science Fair Projects (Cliffs Notes)
Sample text
The change in the weight of the soap is the amount of water lost. Expand your experiment by measuring the amount of water lost in 15-second intervals of microwaving. Is it always the same, or does the soap lose more water early in the heating process than later? PHYSICAL CHANGES weight of soap after – weight of soap before = change in weight c. qxd 8/19/05 7:26 PM Page 24 How Much Fat Is in Potato Chips? TALK IT OVER: Have you ever noticed greasy spots on the sides of paper bags containing certain foods?
Count and keep track of the number of milliliters you add. Stir after every addition and look closely at the blue color. When it disappears, stop adding juice. Record the total number of milliliters of juice needed to get rid of the blue. 4. Repeat steps 2 and 3 for each juice you want to test. Always use clean glasses and spoons. Wash and dry your milliliter dropper between each test. 5. This experiment works because iodine molecules and starch molecules hook together in solution, causing the blue color.
Don’t eat the chips you crush. Discard the chip crumbs and the wax paper sheets. qxd 28 8/19/05 7:26 PM Page 28 Elementary School Science Fair Projects SHOW YOUR RESULTS: For “Go Easy,” use a data table like this: Brand Squares Observations Squares Observations A B C . . and so on For “Go,” your table should look like this: Brand A Trial 1 Trial 2 Trial 3 Average B . . and so on Trial 1 Trial 2 Trial 3 Average For “Go Easy” and “Go,” make a bar graph that compares numbers of translucent squares (on the vertical axis) by brand (on the horizontal axis).