natural science 4 byme

TRUE OR FALSE Matter has two properties: size and state _____ The three states of matter are solid, liquid and gas _____

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TRUE OR FALSE Matter has two properties: size and state _____ The three states of matter are solid, liquid and gas _____ Gases and solids don’t have a definite shape ___ Liquids have a definite volume ____ Liquids and gases change to the shape of the container _____ The shape of the liquid doesn’t change ______ The properties of matter can change _____ CHOOSE THE CORRECT OPTION The change from liquid to solid is change of state / change of shape If you press or twist the plasticine, this is in new shape / state Mixture contains two or more different shapes / materials In a sugar and butter mixture we can / can’t see the different materials In an oil and vinegar mixture we can /can’t see the different materials COMPLETE WITH THE WORDS IN THE BOX. Electrical insulators

Liquid

Therma l

Solid

Light

Electrical conductors

Melting

Evaporation

heat

The sun produces _______________ and ________________ energy When we ________________ a material, we are adding thermal energy to it. If the thermal energy in a _____________ increases, it may become a liquid. This process is called ______________________. If the thermal energy in a _______________ increases, it may become a gas. This process is called __________________________ Electricity can pass through some materials (metals and water) very easily. These materials are called __________________________________. Other materials (plastic and wood) don’t allow electricity to pass. These materials are called __________________________________________.

MACTH THE ANTONYMS FLEXIBLE

ABSORBENT

RESISTANT

ROUGH

SMOOTH

RIGID

WATERPROOF

FRAGILE