jueves, 23 de octubre de 2014
miércoles, 22 de octubre de 2014
INTERACTIVE ACTIVITIES (CREADAS POR MÍ)
http://en.educaplay.com/en/learningresources/1594166/_plants.htm
http://en.educaplay.com/en/learningresources/1595643/plants.htm
http://en.educaplay.com/en/learningresources/1595681/plants.htm
http://en.educaplay.com/en/learningresources/1595688/plants.htm
http://en.educaplay.com/en/learningresources/1595811/plants.htm
http://en.educaplay.com/en/learningresources/1595643/plants.htm
http://en.educaplay.com/en/learningresources/1595681/plants.htm
http://en.educaplay.com/en/learningresources/1595688/plants.htm
http://en.educaplay.com/en/learningresources/1595811/plants.htm
lunes, 20 de octubre de 2014
PLANT NUTRITION: RESPIRATION AND PHOTOSYNTHESIS (Andamiaje de recepción, ya que este texto, vídeos e imagen les servirá de ayuda para realizar las actividades y tareas propuestas en la unidad. Los recursos utilizados serán este texto, imagen y vídeos.)
Photosynthesis -
Part I: The Sun and Light
Not all of the light from the Sun makes it to the surface of the Earth. Even the light that does make it here is reflected and spread out. The little light that does make it here is enough for the plants of the world to survive and go through the process of photosynthesis. Light is actually energy, electromagnetic energy to be exact. When that energy gets to a green plant, all sorts of reactions can take place to store energy in the form of sugar molecules.
Remember we said that not all the energy from the Sun makes it to plants? Even when light gets to a plant, the plant doesn't use all of it. It actually uses only certain colors to make photosynthesis happen. Plants mostly absorb red and blue wavelengths. When you see a color, it is actually a color that the object does NOT absorb. In the case of green plants, they do not absorb light from the green range.
Part II: The Chloroplast
We already spoke about the structure of chloroplasts in the cells tutorials. We want to reinforce that photosynthesis happens in the chloroplast. Within this cell organelle is the chlorophyll that captures the light from the Sun. We'll talk about it in a bit, but the chloroplasts are working night and day with different jobs. The molecules are moved and converted in the area called the stroma.
Part III: The Molecules
Chlorophyll is the magic compound that can grab that sunlight and start the whole process. Chlorophyll is actually quite a varied compound. There are four (4) types: a, b, c, and d. Chlorophyll can also be found in many microorganisms and even some prokaryotic cells. However, as far as plants are concerned, the chlorophyll is found in the chloroplasts. The other big molecules are water (H2O), carbon dioxide (CO2), oxygen (O2) and glucose (C6H12O6). Carbon dioxide and water combine with light to create oxygen and glucose. That glucose is used in various forms by every creature on the planet. Animal cells require oxygen to survive. Animal cells need an aerobic environment (one with oxygen).
Part IV: Light and Dark Reactions
The whole process doesn't happen all at one time. The process of photosynthesis is divided into two main parts. The first part is called the light dependent reaction. This reaction happens when the light energy is captured and pushed into a chemical called ATP. The second part of the process happens when the ATP is used to make glucose (theCalvin Cycle). That second part is called thelight independent reaction.
PLANT CLASSIFICATION ( Andamiaje de recepción, por el texto expuesto y los vídeos y de transformación, por la clasificación mostrada. Recursos: texto y vídeos.)
Botanists classify plants into groups that have similar characteristics.
Plants within a group are more closely related to other members of their own group than to members of another group, just as you are more closely related to your parents and brothers and sisters than you are to families of other students in your class.
Six major Plant groups are listed here. More about two other groups of organisms, Fungi and Red Algae, can be found by clicking here.
You can click on each group name to find the characteristics of the group and pictures of some of its members.
In each group there will be links that lead to information about some members of the group that are easily found in most of Utah.
PLANTS
Angiosperms (Flowering Plants)
- Dicotyledons
- Aceraceae (Maple Family)
- Asteraceae (Daisy Family)
- Fabaceae (Pea Family)
- Monocotyledons
- Liliaceae (Lily Family)
- Orchidaceae (Orchid Family)
- Poaceae (Grass Family)
Gymnosperms (Plants with unenclosed seeds)
- Conifers
- Pinaceae (Pine Family)
- Cupressaceae (Juniper Family)
- Ephedra Group
- Ephedraceae (Mormon Tea Family)
Horsetails
Equisetaceae (Horsetail Family)
Ferns
Bryophytes
- Mosses
- Liverworts
Green Algae
Trametes (Bracket Fungi)
VIDEO
PARTS OF A PLANT (Andamiaje de recepción, por el texto, vídeos e imagen. Recursos: vídeos, texto e imagen.)
Roots: Take in water and food (mineral salts) from soil. Anchors plants. The roots of a plant are spread out. Stem:"Like a straw", transports water through plant. Raises the height of flowers and leaves. Brings closer to light. Structural. The stem is made up of little tubes. Leaves: Different shapes. Almost always green but sometimes covered with another colour such as red. Green substance in leaves -> chlorophyll. Leaves make food for the plant. To do this they need the water and mineral salts obtained from the soil. They are carried inside little veins in the leaf. To make food leaves also need sunshine and CO2. Flowers: Flowers produce seeds which form new plants. Space and warmth also needed for a plant to grow. |
The parts of a plant
Roots - Stem - Leaves - Flowers
The _______ of a plant produce seeds which form new plants.The _____ make the food for the plant. They take the water and mineral salts and use them together with sunlight and carbon-dioxide to make food.
The ____ is like a straw. It moves water around the plant. It raises the leaves and flowers of the plant off the ground.
VIDEO
SONG
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