Creating Terrariums: A Hands-On Project
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Questions and Answers

Which layer should be added first when constructing a terrarium?

  • Soil
  • Charcoal
  • Moss
  • Pebbles (correct)

    • Transpiration occurs when water evaporates from the soil.

    False

    What should be inspected before placing plants in the terrarium?

    disease

    In the water cycle, __________ occurs when water vapour in the air cools to form liquid water.

    <p>condensation</p> Signup and view all the answers

    Match the following components of the water cycle with their descriptions:

    <p>Evaporation = Liquid water turns into vapour Condensation = Vapour cools to form liquid water Infiltration = Water soaks into the soil Precipitation = Liquid water falls to the ground</p> Signup and view all the answers

    How many grams of charcoal should be added for the second layer in the terrarium?

    <p>100-150g</p> Signup and view all the answers

    Worms should not be added to the terrarium because they can harm the plants.

    <p>False</p> Signup and view all the answers

    Name one process that moves carbon between stores in a terrarium.

    <p>photosynthesis</p> Signup and view all the answers

    Excess moisture in a terrarium can lead to the growth of __________.

    <p>mould</p> Signup and view all the answers

    What is the ideal condition for the plants in a terrarium?

    <p>Slow growth and humid conditions</p> Signup and view all the answers

    What is the main benefit of adding charcoal to a terrarium?

    <p>Toxin removal</p> Signup and view all the answers

    A terrarium can only exist in an open system.

    <p>False</p> Signup and view all the answers

    What role do pebbles play in a terrarium?

    <p>Drainage layer</p> Signup and view all the answers

    The __________ layer helps keep the soil moist without making it overly wet.

    <p>sphagnum moss</p> Signup and view all the answers

    Match the components of a terrarium with their functions:

    <p>Worms = Break down decaying matter and aerate soil Soil = Provides structure and nutrients for plants Charcoal = Removes toxins from the ecosystem Pebbles = Prevents water accumulation around roots</p> Signup and view all the answers

    Which component helps combat mould in a terrarium?

    <p>Springtails</p> Signup and view all the answers

    The soil in a terrarium has no necessary nutrients for plant health.

    <p>False</p> Signup and view all the answers

    What is the purpose of having a layer of sphagnum moss in a terrarium?

    <p>To keep the soil moist</p> Signup and view all the answers

    The terrarium ecosystem relies on __________ cycling and gas exchange to sustain life.

    <p>nutrient</p> Signup and view all the answers

    Which of the following is a primary abiotic component of a terrarium?

    <p>Water</p> Signup and view all the answers

    What is the main purpose of adding pebbles in a terrarium?

    <p>To act as a drainage layer</p> Signup and view all the answers

    Worms in a terrarium help to aerate the soil and break down decaying matter.

    <p>True</p> Signup and view all the answers

    What component serves to remove toxins in a terrarium?

    <p>charcoal</p> Signup and view all the answers

    The __________ helps to keep the soil moist without making it overly wet.

    <p>sphagnum moss</p> Signup and view all the answers

    Match the following terrarium components with their functions:

    <p>Worms = Break down decaying matter Charcoal = Toxin removal Pebbles = Drainage layer Soil = Nutrient supply and structure for plants</p> Signup and view all the answers

    Why is the terrarium considered a self-sustaining closed system?

    <p>It requires no external inputs to maintain its ecosystem.</p> Signup and view all the answers

    Sphagnum moss should be placed under the soil layer in a terrarium.

    <p>False</p> Signup and view all the answers

    Name one organism that helps control the growth of mould in a terrarium.

    <p>springtails</p> Signup and view all the answers

    Soil in a terrarium contains __________ that are necessary for plant health.

    <p>nutrients/minerals</p> Signup and view all the answers

    Which element is NOT a biotic component of a terrarium?

    <p>Pebbles</p> Signup and view all the answers

    What is the main function of the charcoal layer in a terrarium?

    <p>To filter water</p> Signup and view all the answers

    Water infiltration occurs when water vapour in the air cools to form liquid water.

    <p>False</p> Signup and view all the answers

    What are the three primary components that should be layered in a terrarium below the plants?

    <p>Soil, moss, and charcoal</p> Signup and view all the answers

    One of the processes that contribute to the carbon cycle in a terrarium is __________.

    <p>photosynthesis</p> Signup and view all the answers

    Match the following processes with their descriptions in the water cycle:

    <p>Evaporation = Water changes from liquid to vapor Transpiration = Water evaporates from plant leaves Condensation = Water vapor cools to form liquid water Precipitation = Water falls from the atmosphere to the soil</p> Signup and view all the answers

    What is the purpose of spritzing water in the terrarium?

    <p>To prevent overwatering</p> Signup and view all the answers

    The plants should be fast-growing and require a lot of sunlight to thrive in a terrarium.

    <p>False</p> Signup and view all the answers

    Name one animal that can be added to a terrarium to aid in the ecosystem.

    <p>Worms</p> Signup and view all the answers

    The __________ cycle involves processes such as evaporation and precipitation within the terrarium.

    <p>water</p> Signup and view all the answers

    How many grams of pebbles should be added for the first layer in the terrarium?

    <p>500-550g</p> Signup and view all the answers

    Study Notes

    Terrarium Objectives

    • Students will work collaboratively to create a terrarium
    • Students will understand terrarium components and their functions
    • Students will understand the chemical reactions in a terrarium
    • Students will grasp that terrariums are self-sustaining closed systems

    Terrarium Components

    • A terrarium is a self-sustaining ecosystem. It has both biotic and abiotic factors
    • Even though it is closed, biotic factors can survive due to nutrient cycling and gas exchange

    Materials List

    • Dried moss, worms, plants, pebbles, soil, charcoal
    • Two large glass salad bowls and water

    Terrarium Design Planning

    • What order should the materials be added? Explain your reasoning
    • Does the size of each layer matter? Justify your answer
    • What are the functions of each component?

    Pebbles

    • Pebbles are for drainage to prevent water accumulation around plant roots, which can lead to mold and root rot

    Charcoal

    • Charcoal's main benefit is toxin removal
    • It absorbs chemicals from soil, water, and air that might build up overtime
    • A layer of charcoal also creates drainage to prevent excess water from staying in the soil, leading to root rot and mold

    Dried Sphagnum Moss

    • Dried sphagnum moss increases the soil's capacity to hold water and nutrients
    • It helps maintain a consistent level of soil moisture, without being overly wet
    • A moss layer on top of pebbles prevents soil from mixing with the pebbles

    Soil

    • Soil gives structure for plant roots to grow
    • It holds water for the plants
    • It contains nutrients like nitrogen that plants need to be healthy
    • Soil contains decomposers (bacteria and fungi) that recycle nutrients

    Worms

    • Worms are detritivores
    • They help break down decaying matter and aerate the soil
    • Springtails can combat the common terrarium problem of mold, feeding off mold and dead vegetation
    • Millipedes, another beneficial organism, are scavengers that eat decaying wood, leaves, and other undesirable matter

    Plants

    • Plants should be slow-growing and tolerant of humid conditions.
    • Inspect plants for disease before adding to the terrarium

    Water

    • Spritz soil and leaves with water
    • Be careful not to overwater the terrarium, as excess moisture may cause mold growth

    Terrarium Layers

    • The order to layer a terrarium is: pebbles, charcoal, moss, soil, and plants

    Terrarium Method

    • Steps on how to assemble a terrarium, including quantities, and sizes for each component, such as soil, moss and pebbled.

    Water Cycle

    • Discuss the water cycle in the terrarium, including evaporation, transpiration, condensation, and precipitation.

    Carbon Cycle

    • Explain the carbon cycle within the terrarium, considering the roles of animals, plants, and carbon dioxide. Discuss processes such as feeding, respiration, and photosynthesis.

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    L7 Terrariums PDF

    Description

    This quiz focuses on the process of creating a terrarium, emphasizing teamwork and understanding of its components. Students will explore the functions of each part, the critical chemical reactions involved, and the concept of self-sustaining ecosystems. Engage with practical design planning and reasoning for building your terrarium.

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