Answer the following question given this paragraph: Living things consist of matter, which can be an element or a compound. A compound consists of two or more elements and forms as a result of a chemical reaction. Q: What consists of two or more elements and forms as a result of a chemical reaction? Choices: - molecule - particle - protein - compound A:
compound

Answer the following question given this paragraph: Three main types of particles that make up all atoms are protons, neutrons, and electrons. Q: Which state of matter is characterized by molecules with minimal movement and strong forces between them? Choices: - plasma - liquid - gas - solid A:
solid

Answer the following question given this paragraph: Mars is the easiest planet to observe. As a result, it has been studied more than any other planet besides Earth. People can stand on Earth and observe the planet through a telescope. We have also sent many space probes to Mars. A car-sized robotic rover, Curiosity, arrived on the Red Planet in August 2012. Curiosity joins Opportunity, which has been active since 2004. Q: What planet is the easiest to observe? Choices: - mercury - pluto - uranus - mars A:
mars