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30 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Is the following sentence true or false In chemical reactions, energy is never created or destroyed |
This is true |
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List six forms of energy related to changes in matter |
mechanical chemical thermal electromagnetic electrical nuclear kinetic potential |
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The energy of matter in motion is |
The energy of matter in motion is kinetic energy |
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The energy an object has that is related to its position is _________ energy |
Energy an object has that is related to its position is potential energy |
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Which of the following are examples of potential energy: Rolling ball Stretched rubber band Bike at the top of the hill Bike coasting downhill |
The two examples of potential energy are a stretched rubber band and a bike at the top of the hill |
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What is chemical energy |
Chemical energy is the internal energy stored in the chemical bonds between atoms |
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Which of the following best describes electromagnetic energy •moves electrons •travels through space as waves •forms chemical bonds •gives off electricity |
•travels through space as waves |
The best description of electromagnetic energy is travels through space as waves |
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Give an example of how electromagnetic energy can cause changes in matter |
A microwave oven can change your frozen block of spaghetti and sauce into a hot meal |
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The energy of electrically charged particles moving from one place to another is |
The energy of electrically charged particles moving from one place to another is electrical energy |
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In electrolysis, electrons move between two metal strips called |
Electrolysis electrons move between two metal strips called the electrodes |
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Is the following sentence true or false In a chemical change other forms of energy cannot be changed to chemical energy |
This is false |
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During photosynthesis plants transform_______ energy from the Sun to __________ energy. |
During photosynthesis plants transform electromagnetic energy from the Sun into chemical energy |
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The study of properties of matter and how matter changes is called |
chemistry |
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___________ is anything that has mass and takes up space |
Matter |
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A __________ is a single kind of matter that is pure having specific makeup and specific properties |
Substance |
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Every form of matter has two kinds of properties they are |
Every kind of matter has physical property and chemical property |
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Which property can be observed without changing the substance into another substance |
Physical property |
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Which property describes the ability of a substance to change into different substances |
Chemical property |
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The simplest substances are called___________, they cannot be broken down into other substances by physical or chemical means |
elements |
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A substance made up of two or more elements chemically combined is known as a |
compound |
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What consists of two or more substances that are in the same place but not chemically combined |
Mixture |
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You can see the different parts in which type of mixture |
heterogeneous |
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In which mixture are the parts evenly mixed so you cannot tell the difference |
Homogeneous |
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The basic particles of an element are called |
atoms |
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The force that holds two atoms together is called a |
chemical bond |
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Group of atoms that are joined together by chemical bonds form a larger particle are called |
molecules |
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A measure of the force of gravity on an object is its |
weight |
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The measure of how much matter an object contains is its |
mass |
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The amount of space that matter occupies is________ |
volume |
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The physical property that relates the mass and volume of an object or material is_________ |
density |
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