Activity 2. A. Directions: List 5 different materials used at home and in school. Write a
sentence describing how the material can be useful or harmful. Afterwards, answer the
follow-up question. An example is provided.
Materials
chalk
Materials Sentence
Useful in writing notes on the
blackboard. However, this could also
be harmful if the chalk dust were
inhaled especially those with asthma.
1.
2.
3.
4.
5.​