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When the weather is sunny,

• we go to the beach

• we went to the beach

• we are going to the beach

When the clouds are too heavy,

• it rain

• it rains

• it rainy

When the sun heats the sea,

• the water went into the air

• the water go into the air

• the water goes into the air

When the sun heats the snow,

• it melts

• it cools

• it freezes

If I ride a bike,

• I wear a helmet

• I stay at home

• I read a book

when you cool water a lot,

• it heats

• it melts

• it freezes

If it is very cold,

• it cools

• it melts

• it snows

When you put sugar in hot tea,

• it dissolves

• it freezes

• it cools

When you put the marble in the water,

• it sinks

• it dissolves

• it floats

When you put sand in the water,

• it floats because it is light

• it sinks because it is heavy

• it dissolves