Hydrothermal Activity and Terraces

Name:

Date:

🌋 Part 1: Formation Sequence

1. Number these eight steps in the correct order (1-8) to show how the Pink and White Terraces formed:

___ Rainwater

___ Underground heat

___ Cracks in rock

___ Hot spring water

___ Dissolved silica or minerals

___ Rising water

___ Cooling

___ Mineral deposits building over time

2. Draw arrows below to show cause and effect. Identify at least four environmental factors that helped form the Terraces:

3. Explain how hydrothermal activity helped form the Pink and White Terraces. Use at least four process words from the box below:

Process words: heated, dissolved, cooling, deposits, underground, minerals, rising, surface

Sentence starters (Years 4-5):

• First, rainwater moves ________________

• When the water is heated, it ________________

• As the hot water rises, it ________________

• When the water cools at the surface, ________________

4. Extension (Years 5-6): Why were cooling and time so important in forming the Terraces? Explain your thinking: