Science Matters
Science Matters - A study with set conditions involves testing only one variable at a time
What is a controlled experiment?
Matter and Atoms - Anything that takes up space and has mass
What is matter?
Periodic Table and Bonding - The rows on a Periodic Table
What are periods?
Chemical and Nuclear Reactions - Autumn leaves changing colors
What is a chemical reaction?
Solutions, Acids, Bases - It tastes sour and turns litmus red
What is an acid?
Science Matters - The variable that is purposely changed or manipulated
What is an independent variable?
Matter and Atoms - Particles that make up matter have motion
What is Kinetic energy?
Periodic Table and Bonding - The columns in a Periodic Table
What are groups?
Chemical and Nuclear Reactions - It balances the equation, ensuring each side of the reaction has an equal number of atoms
What does adding a coefficient in a chemical equation do?
Solutions, Acids, Bases - It tastes bitter and feels slippery
What is a base?
Science Matters - Factors in any experiment that cannot be changed and have to be used just as they are
What are constants?
Matter and Atoms - Single Objects do not have heat
What is thermal energy?
Periodic Table and Bonding - A sharing of an electron pair between two atoms
What is a covalent bond?
Chemical and Nuclear Reactions - It is a nuclear reaction or radioactive decay process in which the nucleus of an atom splits into two or more smaller parts
What is a nuclear fission?
Solutions, Acids, Bases - A radioactive element after 24 hours with a half life of 8 hours remains with 2.5 of the radioactive element
What is 20g of a radioactive element?