WHAT MAKES THE earth's interior hot.pptx

science

1. What makes the Earth’s Interior hot?

2. LEARNING COMPETENCY Explain why the Earth’s interior is hot ( S11/12ES-IIb-c23)

3. Have you seen those hot materials coming out of the volcano?

4. The Earth's interior is composed of four layers . . .

5. Primordial Heat Heat generated during Earth’s formation. Primordial Heat Heat generated during Earth’s formation.

6. Earth is thought to have arisen from a cloud of gas and dust in space. Solid particles, called “ planetesimals ” condensed out of the cloud.

7. The Earth was formed by the process of accretion .

8. This heat has not dissipated totally and represents about 10% of the total heat inside the Earth.

9. Radioactive Heat Heat generated by long-term radioactive decay.

10. " Geoneutrinos " are electron antineutrinos produced by beta-decays of the nuclei in the decay chains of 238 U and 232 Th.