The last week, June-Why earthworms are important ?

The last week, June-What do earthworms do?

In this week you will learn about the role of "earthworms" on our ecosystem and its interesting features.

Dry ice is frozen CO2

The 2nd week, June-Red cabbage is an "Indicator"

The 2nd week, June, 2010-Acids and Bases

In this week, we will learn about "acids and bases with using several kitchen materials".

Why vinegar and lemon juice taste sour ?

Because it is "acids". How about "baking soda"? Let it check tomorrow~~

What is the chromatography?

The chromatography is analysis of "Migration and separation of color".

Our young scientists enjoyed much their own experiment.

The 1st week, June, 2010- What is chromatography and what is it used for?

You will do experiment about "What is chromatography?" with colored candy.

Vocabulary : Chromatography, soluble, solution, mobile phase, stationary phase, migration, separation