anathemad: (Silly)
Fizzy Fun

Let your child pour 1/2 cup of food grade vinegar into a large plastic bowl. Discuss with your child what they think might happen when they add baking soda to it. Will they need to mix it for them to combine? Will it change colors? Let your child spoon in <1 tbl of baking soda. Watch it fizz and bubble! If the child is old enough you can discuss the acid/base neutralization. For the younger crowd the fizzing is pretty exciting but coloring the vinegar with food coloring can make the excitement last longer. For the older preschooler you can discuss combining different colors to make new ones.

Pictures at: http://moblog.co.uk/view.php?id=187443
anathemad: (Silly)
Fizzy Fun

Let your child pour 1/2 cup of food grade vinegar into a large plastic bowl. Discuss with your child what they think might happen when they add baking soda to it. Will they need to mix it for them to combine? Will it change colors? Let your child spoon in <1 tbl of baking soda. Watch it fizz and bubble! If the child is old enough you can discuss the acid/base neutralization. For the younger crowd the fizzing is pretty exciting but coloring the vinegar with food coloring can make the excitement last longer. For the older preschooler you can discuss combining different colors to make new ones.

Pictures at: http://moblog.co.uk/view.php?id=187443
anathemad: (Silly)
Ocean in a Bottle
"Did you know that oil is actually lighter than vinegar? You can prove it by creating an Ocean in a Bottle—a great science activity for a rainy afternoon. Use a clean jar or bottle and fill it one-third of the way with white vinegar. Add several drops of blue food coloring and fill the rest of the bottle with a light-colored oil, such as mineral oil. Close the jar tightly and rock it back and forth to see the waves. Because the oil is lighter than vinegar, oil droplets float to the surface and stay there."

Idea from Martha.

http://moblog.co.uk/view.php?id=137532
anathemad: (Silly)
Ocean in a Bottle
"Did you know that oil is actually lighter than vinegar? You can prove it by creating an Ocean in a Bottle—a great science activity for a rainy afternoon. Use a clean jar or bottle and fill it one-third of the way with white vinegar. Add several drops of blue food coloring and fill the rest of the bottle with a light-colored oil, such as mineral oil. Close the jar tightly and rock it back and forth to see the waves. Because the oil is lighter than vinegar, oil droplets float to the surface and stay there."

Idea from Martha.

http://moblog.co.uk/view.php?id=137532

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December 2015

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