8th Grade Science Final Review Back to menu

Physical/ Chemical Properties and Change Renewable vs. Non-Renewable Resources Atomic Structure/ Bonding Periodic Table Chemical Reactions 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 Final jeopardy question

observed without changing the identity of the matter are... 10 Point Question Properties that can be observed without changing the identity of the matter are... Physical Properties

Carbon Dioxide gas being produced from mixing vinegar 20 Point Question Carbon Dioxide gas being produced from mixing vinegar and baking soda is a ____________ change Chemical

30 Point Question Producing sawdust from the sawing of firewood is an example of a _____________ change Physical

40 Point Question The ability of a substance to become a newer substance with newer properties unlike the first Chemical Change

There are this many periods on the periodic table 10 Point Question There are this many periods on the periodic table 7 Periods

What is the atomic mass of the following element? 20 Point Question Li 3 6.941 6.9 or 7

How can you identify the number or electrons and protons of an atom 30 Point Question How can you identify the number or electrons and protons of an atom The Atomic Number

holds the members of the halogen group? 40 Point Question Which group number holds the members of the halogen group? Group 17

If a atom loses an electron, it becomes a ___________ ion 10 Point Question If a atom loses an electron, it becomes a ___________ ion Positive

compound that these two atoms make 20 Point Question Name the correct compound that these two atoms make +1 -4 Na C Na C 4

An atom that gains an electron becomes a _________ ion 30 Point Question An atom that gains an electron becomes a _________ ion Negative

charge by losing or gaining an electron is known as a... 40 Point Question An atom that acquires a charge by losing or gaining an electron is known as a... Ion

chemical reaction can be identified 10 Point Question Name one way that a chemical reaction can be identified Gas formed, Solid Formed, Color Change, Energy Change

The starting materials of a chemical reaction are called... 20 Point Question The starting materials of a chemical reaction are called... Reactants

All chemical equations must be balanced due to the law of... 30 Point Question All chemical equations must be balanced due to the law of... Conservation of Mass

40 Point Question Cu + 2 AgNO3 2 Ag + Cu(NO3)2 What are the products of this equation? 2 Ag + Cu(NO3)2

type of energy resource 10 Point Question Fossil Fuels are this type of energy resource Non-Renewable

What type of renewable energy resource is the most abundant? 20 Point Question What type of renewable energy resource is the most abundant? Solar Energy

This type of energy takes advantage of potential 30 Point Question This type of energy takes advantage of potential energy and changes it into kinetic energy Water Energy

This type of energy comes from the crust of the Earth, 40 Point Question This type of energy comes from the crust of the Earth, based on natural heating Geothermal Energy

Is this equation balanced? Final jeopardy Final Jeopardy Question Is this equation balanced? ZnCl3 + H2 Zn + 2HCl NO!!!