Choose an image where water is being used.

Choose an image where water is being used.

Choose an image where water is being used.

Choose the state of water represented in this image: ocean.

Choose the state of water represented in this image: geyser.

Choose the state of water represented in this image: glacier.

Choose the state of water represented in this image: cloud.

Choose the state of water represented in this image: river.

Choose the state of water represented in this image: snow.

Classify the aquatic ecosystem: pond.

This is Flamenco Beach in Culebra, Puerto Rico.

Classify the aquatic ecosystem.

Classify the aquatic ecosystem: lake.

Classify the aquatic ecosystem: river.

This is Wallaby Beach in Australia.

Classify the aquatic ecosystem.

Classify the elements: water.

Classify the elements: fish.

Classify the elements: fish.

Classify the elements: sand.

Classify the elements: sand.

Classify the elements: octopus.

Classify the elements: water lilly (plant).

This is a shark. According to the food chain studied in the book, what life-form will the shark eat?

This is a seal. According to the food chain studied in the book, what life-form will the seal eat?

This is a fish. According to the food chain studied in the book, what life-form will the fish eat?