The following changes in the materials are useful to the environment, except *
1 point
Using old newspaper in wrapping gifts.
Using eco bag when buying groceries.
Using pesticides in killing insects.
Using both sides of bond paper when writing.
What kind of mixture is cereal and milk powder? *
1 point
Solid and solid
Liquid and liquid
Solid and liquid
Liquid and gas
What degree Celsius of temperature is required for cool temperature? *
1 point
8 to 15
15 to 25
-10 to -25
30 to 40
Which of the following describes what happens to the white sugar when mixed with iodized salt? *
1 point
White sugar can be distinguished with the iodized salt when mixed.
White sugar cannot be distinguished with the iodized salt when mixed.
White sugar settles at the bottom of iodized salt.
White sugar completely mixed with iodized salt.

This is a required question
When we bent, press and hammer solid materials, only the _______ changes. *
1 point
Chemical Property
Physical Property
Industrial Property
Colloidal Property7​