instrument that collects & focuses light & other forms of electromagnetic radiation
an elastic wave in the earth produced by an earthquake or other means
Not too easy. Not too difficult.
I recommend this class due to some skills needed in future science classes
In this course you'll will learn brief information of chemistry, astronomy, etc. I've learned how to use the equations of certain laws and when to use them.
Hours per week:
Advice for students:
Have Good listening skills is needed and study the information