Science Mind Map

1. Earths Four Speares

1.1. Hydrosphere

1.1.1. Water

1.2. Biosphere

1.2.1. Living Things

1.3. lithosphere

1.3.1. Land

1.4. Atmosphere

1.4.1. air

2. Earth Cycles

2.1. Water Cycle

2.1.1. the cycle of processes by which water circulates between the earth's oceans, atmosphere, and return to the atmosphere by evaporation and transpiration.

2.2. carbon cycle

2.2.1. Carbon dioxide circulates between the air, soil, and living things.

2.3. Photosynthesis

2.3.1. This process followed by respiration recycles oxygen.

2.4. The nitrogen Cycle

2.4.1. Nitrogen circulates between air, the soil and living things.