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UNIT 4: Plant
growth and nutrition
Nuria Sánchez Parra5º, CEIP García Bellido
• The needs of plants
- Light
- Water
- Air
- Mineral Salts
• Plant Nutrition
- Photosynthesis
- Plant respiration
OUTLINE
VOCABULARY OF THE UNIT Growth – crecimiento
Grow – crecer
Huge – enorme
Breathe – respirar
Roots – raices
Stem- tallo
Leaves- hojas
Anchor – enganchar
Ground – suelo
Soil- tierra/suelo
Hold up – mantener/
sostener
Perform – realizar
Living things – seres
vivos
Unlike – al contrario
Own – propio/a
Light – luz
Sunlight- luz solar
Amount – cantidad
Bright areas - áreas
soleadas
Shady areas – áreas
sombreadas
Humed areas – áreas
húmedas
Survive – sobrevivir
Water – agua
Elm tree- olmos
Willows- sauces
Buttercups – ranúnculos
Air – aire
Mixture – mezcla
Mineral salts – sales
minerals
Fertile soil –suelo
fértil
Poor soil - suelo
estéril/no fértil
Photosynthesis -
Fotosíntesis
Raw sap – savia bruta
Xylem vessels – vasos
de xilema
Stomata- estomas
Elaborated sap – savia
elaborada
Chlorophyll- clorofila
Phloem vessels – vasos
de floema
Unable- incapaz
Biosphere 2
• Tour
• Tour 2
The needs of plants
Light Water Air Mineral Salts
PlantsNeed to grow
Light: All plants need light to make their food
Water: All plants need water to make their food
Air: Plants take in carbon dioxide to make their food
Mineral salts: All plants need mineral salts to grow
Plant Nutrition
Consist in
Respiratio
nPhotosynthesi
s
Photosynthesys and Respiration
• Photosynthesys : Plants take their own food using water, mineral salt, carbon dioxide and sunlight.
• Respiration: Plants take in oxygen and release carbon dioxide.
Photosynthesis1. Roots absorb water and mineral salts (raw sap).
2. Raw sap travels to the leaves through xylem vessels.
3. Stomata take in carbon dioxide, and chlorophyll take sunlight (elaborated sap)
4. Elaborated sap travels to all parts of the plant through phloem vessels.
Photosynthesis
• Video 1
• Video 2, Part 1
• Video 2, Part 2