Page 11 - ..Science E-book Prim.6 2024-2025 1st term part2_Neat - Copy

Forces

1- Gravity

Attraction force of objects toward the earth’s center.

1- Falling of melting ice and water in clouds.

Flowing of liquid water downhill into
streams & rivers towards larger water bodies.

2- Flowing of ice in glaciers from higher altitude
areas to lower one where it melts and flows down.

3- Leakage of water down into the ground then to groundwater reservoirs
Flowing of groundwater from higher altitude areas to lower one.

2- Wind

Force comes from movement of air due to the difference in temperature.
“The changes of air temperature affect the way that air moves”

Wind is the main factor that determines weather and climate.
Daily weather conditions depend on
wind where it carries
heat, moisture, rain, snow, dust and sand.

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Second Term