11) What unit of measurement is used to measure the intensity of an earthquake?
12) What is the most abundant gas in Earth's atmosphere?
13) What does DNA stand for?
14) What is a solar eclipse?
15) What type of radiation is used in X-ray imaging?
16) What is the smallest particle of an element?
17) What is the branch of science that deals with the study of animals?
18) What is the branch of science that deals with the study of plants?
19) What is the branch of science that studies the Earth?
20) Which branch of science studies matter and energy and their interactions?