
Science 4 - Second Grading
Quiz by Maria Suzette C. lapidario
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Matter undergoes changes.
Changes in matter may be classified into two, namely, physical change and chemical change.
It involves change in size, shape and state of matter. It composition does not change and new substance id formed.
It involves change in composition and a new substance is formed.
When an earthquake occurs, the shape of the land may be changed depending on the intensity of the earthquake.
Volcanic activity may change the environment physically.
Amid the many factors that can cause changes in the environment, humans indeed show a remarkable contribution.
It is the most devastating effect of many physical and chemical changes that humans have caused to their environment is pollution.
It is a condition of increased heat due to presence of green house gases in the atmosphere.
It is the overenrichment of water with fertilizers resulting the rapid grow of algae and other water plant.
Which of the following is not an example of chemical change in matter?
What happen to the ice cubes when left at room temperature.
Soil enriched with organic matter is good for plants.
Preservatives make food products last longer.
Dumping chemicals in soil and in water is good for the environment.