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Grade 3 Science Ch 9

pages 194-205

QuestionAnswer
Each object has 3 properties:__________________, ____________________ and ________________ that make it different from other things. COLOR, SIZE AND SHAPE
What are physical properties? shap
The amount of matter in an object is ________. MASS
The amount of space that an object takes up is _____________. VOLUME
______________ is anything that has mass and takes up space is. MATTER; All matter has physical properties.
All matter is made up of _____________. ATOMS
An ___________ is a tiny particle that make up matter. ATOM; Atoms are so tiny that you cannot see them. You are made up of atoms.
You five senses can help you observe the properties of MATTER
Name the three states of matter. SOLID, LIQUID AND GAS
A ___________ has a definite shape and volume. SOLID
A __________ has a definite volume, but not a definite shape. LIQUID
A ________ has no definite volume or shape. GAS
______________ can change from one state to another. MATTER
Heating some solids can cause them to melt and become a __________. LIQUID-Example: A chocolate bar melts when heated.
Liquids become _____________ when they are heated. GASES-Example: Water boils and turns into steam called water vapor
When a liquid changes to a gas, it is called _______________. EVAPORATION-Example The sun heats water in a pond and it evaporates
When a gas changes to a liquid, it is called _______________. CONDENSATION-Example: Rain
Water can easily change from one ___________ to another. STATE.: Ice, frost, and snow are solid; water vapor is gas; water running into the sink is liquid
________ temperature scale is based on the changing states of water. At 0 degrees C water freezes; at 100 degrees C water boils. CELSIUS TEMPERATURE SCALE
What happens to water when it freezes? Water expands or gets bigger when it freezes and changes from a liquid to a solid.
Most matter gets __________ when it freezes. smaller; Water gets bigger.
Created by: Bonnie Daniel
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