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LIVING THINGS HAVE LIFE CYCLES

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Stephanie Chalmers

on 17 September 2013

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Transcript of LIVING THINGS HAVE LIFE CYCLES

LIVING THINGS HAVE LIFE CYCLES
The life cycle of plants & animals

Information for Teachers
The students of the class are inquiry learners, and this interactive resource places them at the center of their learning. The inquiry method of accessing prezi and following onto the video and games links was used in this science lesson as it promotes and develops a student’s natural curiosity and empowers students to be actively involved in the construction of their own learning. Henson (2003) states that inquiry based learning ‘…increases intellectual curiosity, creativity, drive and leadership skills’.
Grade 4 - Biological Science
What is a life cycle?
A life cycle refers to the different life stages of an organism ( a living thing). Over time an organism goes through a variety of different stages of growth, which is called the 'life cycle'. (Mitchell n.d.)
Life cycle of different organisms (living things)
Why do seeds turn into plants?

Why do caterpillars turn into butterflies?
What happens during the life cycle?
The plant life cycle begins with a seed. The seed will sprout and produce a tiny, immature plant called a seedling. The seedling will grow to adulthood and form a mature plant. The mature plant will reproduce by forming new seeds which will begin the next life cycle

Just like the picture ---------------------------->>>

There are also other types of plants that do not produce flowers such as ferns and mosses. These also have a life cycle but they do not produce seeds. They produce a different type of reproductive cells called spores
Your Task: Lets play a plant game!
1. Watch the video to the right --->>>
2. Go to :

3. Watch the video a second time to learn about how seeds grow. TAKE NOTES IF IT HELPS
4. Use the information you have learned to complete the fun activities
Plants have life cycles too!!!
A plant's life cycle describes how long a plant lives or how long it takes to grow, flower, and set seed. Plants can be either an annual, perennial, or biennial.
A plant that completes its life cycle in one growing season. It will grow, flower, set seed, and die.

examples: Tomatoes &
Marigolds
Annual
A plant that lives for 3 or more years. It can grow, flower, and set seed for many years.
Perennial
A plant that needs two growing seasons to complete its life cycle. It grows vegetatively. one season. Then it goes dormant or rests over the winter.

In the spring, it will begin to grow again and grow flowers, set seed, and die. The seed that is left behind on the ground germinates and the cycle begins again
Biennial
Plant parts & how they Survive
Basic parts of most all plants are:
Roots, stems, leaves, flowers, fruits, and seeds.
The roots help provide support by anchoring the plant and absorbing water and nutrients needed for growth. They can also store sugars and carbohydrates that the plant uses to carry out other functions
Roots
Stems carry water and nutrients taken up by the roots to the leaves. Then the food produced by the leaves moves to other parts of the plant.

Stems also provide support for the plant allowing the leaves to reach the sunlight that they need to produce food
Stems
Leaves are the food making factories of green plants.

Leaves are made to catch light and have openings to allow water and air to come and go.
Leaves
Flowers are important in making seeds.

Petals are also important parts of the flower, because they help attract pollinators such as bees, butterflies and bats which help move pollen from one part of a plant to another. This pollen fertilises the plant, which enables them to make fruit/and or seeds.
Flowers
The fruit is the ripened ovary of a plant containing the seeds. After fertilization, the ovary swells and becomes either fleshy or hard and dry to protect the developing seeds
Fruits
Every seed is a tiny plant (embryo) with leaves, stems, and root parts waiting for the right things to happen to make it germinate and grow

Seeds are a plant's way of getting from one area to another by either wind, water or animals.
Seeds
MORE FUN!!!!!
for the early finishers......

Go to:
http://www.bbc.co.uk/bitesize/ks2/science/living_things/plant_life_cycles/play/

1. Find out why the plants life cycle is going WILD
2. Help stop the dispersal of the seeds
Details of lesson:
This resource is appropriate for grade 4 students and
is safe as all links are directly provided from the source. This enables students to go directly to video, games and links rather than searching themselves

Curriculum
Science Understanding - Biological sciences
Living things have life cycles (ACSSU072)
Living things, including plants and animals, depend on each other and the environment to survive (ACSSU073)
Science as a Human Endeavor
Science involves making predictions and describing patterns and relationships (ACSHE061)
Science Inquiry Skills
With guidance, identify questions in familiar contexts that can be investigated scientifically and predict what might happen based on prior knowledge (ACSIS064)
Lesson Goals
Duration: 60 minutes
Location: Computer labs

Aim: To investigate the life cycle of living organisms

Objectives: By the end of the lesson students will be able to:
Define what Life Cycle means
Understand the life cycle process of different organisms - specifically plants
Understand the different plant parts
Understand how living things depend on each other and the environment to survive.
Responsible work in teams if desired
Responsibly work with an online resource
Reference List
ACARA (2012) Foundation to Year 10 Australian Curriculum Australian Curriculum, Assessment and Reporting Authority
Retrieved: 14 September 2013, from: http://www.australiancurriculum.edu.au/Science/Curriculum/F-10

Henson, K. T. (2003). Foundations for learner-centered education: A knowledge base. Education, 124(1), 5-16.

Mitchell, S. (n.d). Ask- What is an organism. Retrieved 15th September 2013 from: http://www.ask.com/question/what-is-a-life-cycle

Northwestern university. (2013). What is a Pollinator. Retrieved on 15th September 2013 from: http://www.qrg.northwestern.edu/projects/marssim/simhtml/info/whats-a-pollinator.html


Osborne, F. (2005) Plant Life Cycle. Retrieved on15th September 2013 from: http://www.kean.edu/~fosborne/resources/ex6c.htm
Reynolds, R. (2012) Chapter 3: Inquiry learning. Teaching History, Geography & SOSE in the Primary School (2nd Ed.)

University of Illinois Extension.(2013) The Great Plant Escape. Retrieved on 15th Septemeber 2013 from: http://urbanext.illinois.edu/gpe/index.cfm
Full transcript