Science Activity # 3

Composting of decaying materials to produce organic fertilizers is not useful to the environment.

When we mix flour and water,  the flour will partially mix with the water. 

Keeping a piece of ice

     candy in your hand for 3 minutes, the ice candy will start to melt.

The stone that was heated for 2 minutes will increase its temperature.

When heated, the condition of the will oil becomes solid.

Bringing your jar when refilling water is useful to the environment.

What change happens to a piece of butter held close to the flame when the stove is turned on?

When white sugar and iodized salt are

     mixed, they mixed together completely.

Aljohn prepared hot fudge by heating a chocolate bar. What changes happen to a chocolate bar when it is heated?

Tristan needs a tin sheet for his project. He flattened a piece of empty tin can by hammering it.

    What changes happened to the tin can? 

A fresh apple has a sweet smell, whereas a rotten apple has a foul odor. The type of

     change that occurred with the rotten apple is a chemical change.

Throwing waste materials in the river is harmful to the environment.

Factories producing smoke is harmful to the environment.

Factories that provide new products for consumers are useful to the environment.

Dumping trash in the backyard is harmful to the environment.