Creating a Closed Terrarium

What is a terrarium?

• A garden in a pot

• A sealed ecosystem in a jar

• A type of aquarium for fish

• A type of greenhouse

What is the purpose of the 'false bottom' in a terrarium?

• To keep insects out

• To add decoration

• To separate the soil from the water layer

• To provide a base for the plants

Why is moss considered ideal for a terrarium?

• It requires a lot of sunlight

• It grows quickly and fills space

• It needs frequent watering

• It attracts insects

What should you do if you notice mold in your terrarium?

• Add more soil

• Ignore it

• Remove it with tweezers

• Add more water

What type of water is recommended for watering a terrarium?

• Bottled water

• Rainwater or natural water

• Tap water

• Distilled water

How does the water cycle function in a closed terrarium?

• Water evaporates, condenses, and falls back like rain

• Water is absorbed by the soil and never evaporates

• Water evaporates and escapes the jar

• Water is only absorbed by the plants

What role do insects play in a terrarium?

• They decompose dead matter

• They provide food for the plants

• They help in photosynthesis

• They pollinate the plants

Why might some people choose not to add insects to their terrarium?

• Insects are not necessary for decomposition

• Insects make the terrarium look unattractive

• Insects are harmful to plants

• Insects require too much maintenance

How do plants contribute to the air supply in a terrarium?

• They absorb carbon dioxide and release oxygen

• They absorb oxygen and release carbon dioxide

• They only release carbon dioxide

• They do not affect the air supply

What is the main function of the plants in a terrarium?

• To absorb excess water

• To produce oxygen through photosynthesis

• To provide food for insects

• To decorate the terrarium