These chalk chromatogaphy examples were made using chalk with ink and food coloring.
مدير باز نشسته
These chalk chromatogaphy examples were made using chalk with ink and food coloring.
مدير باز نشسته
The volcano has been filled with water, vinegar, and a little detergent. Adding baking soda causes it to erupt.
مدير باز نشسته
If you look closely, you can see the monoclinic shape of the sugar crystals that comprise this rock candy.
مدير باز نشسته
Sodium silicate is the 'secret' ingredient in Magic Rocks that allows you to grow an underwater crystal garden while you watch.
مدير باز نشسته
You can make your own geode using plaster of paris, alum, and food coloring.
مدير باز نشسته
Slime is easy and fun to make.
مدير باز نشسته
You usually can get a nice alum
crystal overnight (shown here). If you let the crystal grow for a day or more, you can get larger crystals.
پاسخ با نقل قول
علاقه مندی ها (بوک مارک ها)