Which of the following changes in the materials is useful to the environment? *
1 point
Throwing garbage in the canal.
Throwing hospital wastes into the river.
Using detergents in washing clothes in the river.
Using paper bags when shopping.
What happened to solid materials when they were bent? *
1 point
There are new solid materials formed.
There are no changes at all.
Materials may change their size and shape but there’s no new materials formed.
All of the above.
Which of the following is another term that can be used to describe a miscible liquid? *
1 point
Heterogenous
Homogenous
Unmixed
Non-uniform
Why do boats float in water? *
1 point
Boats are made of wood that make them float.
Man uses paddle to make the boat float.
The sea breeze makes the boat float in water.
The boat is tied with plastic string that makes it float.
If you are going to dispose waste materials commonly found at home, what are you going to do with the decaying materials? *
1 point
throw them in the river
mix them with the non-decaying materials
make a compost
keep them in the cabinet and use them again
Applying heat may change the smell, taste and even the appearance of a material which resulted in the formation of a new material. *
1 point
Chemical Changes
Expansion and Contraction
Freezing or Solidification
Melting
Jimin and Jackson wants to cut a piece of gift wrapper to prepare their present. Describe what changes may happen in the property of the gift wrapper when it was cut. *
1 point
Change in color, size, and shape.
Change in texture and shape.
Change in size and odor.
Change in size and shape
It is one of the factors that affect changes on food and medicine. *
1 point
Medicine
Temperature
Water
Transportation
Some material floats no matter what their shape is. Which type of material had been described? *
1 point
Styrofoam
Glass
Rubber
Metal
What will happen to alcohol and water when mixed? *
1 point
Alcohol and water will mix partially.
Alcohol and water will form two layers.
Alcohol and water will mix completely.
Alcohol and water will not mix together.​