September 14, 2009

Today we learned about physical changes - Alexa

A physical change is a change in shape. - Cole

Water and ice - physical changes - Michael

An ice cream cone from Bruster's melting on a hot day - physical change - Murphy

Water and steam - liquid and gas - physical changes - Robbie

Rotting is a physical change - Zoe

We learned about chemical changes - Jessi

Mold growing on the bread - chemical change - Russell

Water is inside corn. - Murphy

Marshmallows can be smooth when you lick them. - Michael

Corn kernels that don't pop are called "old maids." - Hart

When you pop popcorn, the kernel turns inside out. - Zoe

Popcorn kernels explode because the heat makes the water steam. - Robbie

When you put Vitamin C on apples, it stops them from getting brown. - Caitlin

The Vitamin C keeps the air (oxygen) from getting to the apple. - Ethan

Marshmallows - did you know it had an "a" (not marshmellows). Alexa

A popcorn kernel contains about 14% water. - Cole

The water inside the kernel boils when it is hot. - Blake

You can heat kernels with hot oil. - Kathleen

One of the ingredients in marshmallows is blue dye. - Caitlyn

We washed our apple skins with soap and water. - Michael