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Plants (NS Unit 2)
Transcript of Plants (NS Unit 2)
Plants have three life processes:
Plants give us the
we need to live,
It carries water, nutrients and minerals from the roots to the leaves.
They make the food for the plant using sunlight, air and water, nutrients and minerals from the soil.
This process is called
and it provides oxygen to the atmosphere.
They are underground.
They absorb water, nutrients and minerals from the soil.
They hold the plant in the soil.
UNIT 4: PLANTS
They have beautiful flowers.
They produce fruit with seeds inside.
Examples: rose, pear tree, rice, beanstalk.
They have small flowers.
They don´t produce fruit.
The seeds develop inside cones.
Examples: pine tree, fir tree, cypress.
They are very small and grow on rocks and tree trunks.
Ferns have large leaves.
Trees lose their leaves in autumn
Their leaves are green all year
DECIDUOUS AND EVERGREEN PLANTS
They produce seeds
They don't produce seeds and reproduce using
They have soft stem.
They are thin and flexible.
They are usually short.
They have thick, hard stem, low branches. They are taller than grasses and live longer.
Examples: corn, boxwood, oleander.
They have high branches and a thick, hard stem (trunk). They are the tallest plants.
DURING THE DAY ....
Plants take in Carbon dioxide and release Oxygen.
Plants take in oxygen and release Carbon Dioxide.
Parts of a Plant
Types of Plants
according to reproduction
They are the reproductive part of the plant.
The seeds are formed inside it and the fruit is formed inside the seed.
Plants produce their own food using a process called
absorb water and minerals from the soil.
2. The water and minerals travel up the
to the leaves.
absorb the carbon dioxide from the air. With the energy and light from the sun, and the water and minerals from the stem the plant makes its food.
4. During this process (photosynthesis) plants release
into the air.
Types of leaves
Life cycle of a plant
Parts of a flower
It can be different colours and attracts insects to the flower.
The seeds develop here.
Green small leaves that protect the flower before it opens.
They have pollen at their ends.
1. Most seeds need warmth, water, sunlight and air to germinate.
2. Roots grow down from the seed.
3. A stem grows up.
4. Leaves grow on the stem. The plant can now make its own food.
5. A flower grows on the plant.
6. Seeds develop in the carpel.
7. The plant dies, but new plants can grow from its seeds.