4º EP Ciencias Naturales u.3 - 4th grade Natural Science unit 3

¡Buenos días! Comenzamos la unidad 3, relacionada con las plantas, explicamos sus características y clasificación (según su tallo y según sus flores).

Monday 21^st November 2016

Unit 3: Plants

Characteristics:

-            They are living things: they are born, grow, reproduce and die.

-            they can make their own food: photosynthesis.

-            they live attached to the ground

-            they have: roots, stem and leaves.

·    roots: help to keep it in place; they take in water and minerals.

·    stem: helps to stay upright and supports the leaves. It has two types of ducts.

·    leaves: where a plant makes it food.

Classification

-            by its stem:

·    woody: hard stem (tres and shrubs)

·    herbaceous: thin and flexible stem

-            by its flowers:

·    flowering: have flowers, fruits and sedes.

·    non-flowering: do not have seeds.