Science Worksheet 2 1. Using your own words define a law. ___________________________________________________________________________________________ ___________________________________________________________________________________________ 2. Using your own words define a theory. ___________________________________________________________________________________________ ___________________________________________________________________________________________ Determine whether the following statement is a law or a theory. 3. states that energy can't be created or destroyed. It can only be changed into a different form or transferred to another object. ______________ 4. that an object will stay in its current state (rest or motion) unless affected by a force. _____________ 5. Indicates that all matter is made up of atoms, which are microscopic particles that cannot be divided, created or destroyed. It explains why substances composed of one element (such as pure gold) are different from items that consist of multiple elements (such as a metal alloy). ______________ 6. States that every action produces a reaction that is equivalent and opposite. _____________ 7. Suggests that the universe began many billions of years in the past as a result of an expansion event of great magnitude. This universal expansion is continuing on an ongoing basis. _____________ 8. Many diseases are caused by germs. These pathogens are tiny microorganisms that find their way into the body. _____________ 9. Indicates that planets move around the sun in an elliptical manner. This means that the planets follow a set, oval-shaped pattern around the sun. ______________ 10. Indicates that everything in the universe that has mass is attracted toward the center of the Earth. This attraction is called gravity. ____________ 11-15 Enumerate the steps of Scientific Method and explain briefly 11. _____________________________________________________________________________________ 12. _____________________________________________________________________________________ 13. _____________________________________________________________________________________ 14. _____________________________________________________________________________________ 15. _____________________________________________________________________________________