19
Everything in nature is connected
Textbook: Part 1, pp. 65–67
GoalUnderstand that living and non-living nature are connected and that every living thing needs light and warmth, water, air and food.
New words
connected · bog‘liqnutrient, food · ozuqawarmth · issiqlikleaf · barg
Explanation
Living nature cannot exist without non-living nature. The Sun gives light and warmth: plants make food in their leaves in the light, and animals use light to see. Water is needed by every living thing: a plant draws it up with its roots, animals and people drink it. Air is needed for breathing. Conclusion: all living things need food, warmth, water and air.
Worked examples
Without the Sun a plant stops growing; without plants animals have no food.
In a drought plants dry up for lack of water.
Class activity
Experiment “Light and plants”: take two similar bean seedlings (or house plants). Put one by the window and the other in a closed cupboard. Water both equally. Observe and draw them daily for a week. Which stayed green and strong? Conclusion: plants need light.
Practice
1
What do living things need? Name 4.
food, warmth, water, air
2
With which part does a plant draw up water?
its roots
3
What does the Sun give to plants?
light and warmth