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Grade4, Chapter 13
vocabulary for Chapter 13, grade 4
| Question | Answer |
|---|---|
| a change in matter that produces new kinds of matter with different properties | chemical change |
| another term for a chemical change | chemical reaction |
| to mix completely with another substance to form a solution | dissolve |
| the ability to cause change | energy |
| the flow of thermal energy from a warmer area to a cooler area | heat |
| matter made up of two or more substances or materials that are physically combined | mixture |
| a change in the size, shape, or state of matter that does not change it into a new kind of matter | physical change |
| the newly formed matter in a chemical reaction | product |
| the matter that you start with in a chemical reaction | reactant |
| a mixture in which the particles of one kind of matter are mixed evenly with the particles of other kinds of matter | solution |
| a measure of how hot or cold matter is: the average kinetic energy of the particles of a substance | temperature |
| the total kinetic energy of tiny moving particles of matter | thermal energy |