Planting millions of trees for the planet earth!

STEM Quiz (Grades 6-8): Planting millions of trees

ELA Quiz (Grades 6-8): Planting millions of trees

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STEM Quiz (Grades 6-8): Planting millions of trees

Planting millions of trees for the planet earth! STEM Quiz (Grades 6-8): Planting millions of trees

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Question 1 of 20

1. Question
What evidence do ice cores provide about climate change?
- The temperature of ancient oceans
- The levels of greenhouse gases like CO2 in the atmosphere over time
- The amount of sunlight in ancient periods
- The size of ancient forests
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Question 2 of 20

2. Question
What surprising chemical can some trees use to deter pests or animals?
- Sugar
- Honey
- Vinegar
- Ghost peppers
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Question 3 of 20

3. Question
Why can planting the same type of tree everywhere be a bad idea?
- It doesn’t help animals.
- One species can’t thrive in every ecosystem.
- All trees need the same nutrients.
- Non-native trees grow slower.
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Question 4 of 20

4. Question
Why is planting a variety of native trees better for the environment than planting just one species?
- Native trees grow taller.
- Non-native trees need less water.
- Trees from different species compete for sunlight.
- Diverse ecosystems are more resistant to climate change.
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Question 5 of 20

5. Question
In addition to producing O2, trees store carbon. What part of the tree holds most of this stored carbon?
- Leaves
- Roots
- Wood tissue
- Bark
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Question 6 of 20

6. Question
Fill in the blank.
- Trees produce during photosynthesis that humans and animals need to breathe.
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Question 7 of 20

7. Question
What principle of nature is DroneSeed’s technology based on?
- Plants grow faster in water than on land.
- Trees produce more oxygen at higher altitudes.
- Birds naturally spread seeds by eating and depositing them.
- Animals naturally protect seeds from predators.
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Question 8 of 20

8. Question
How do recon drones use lasers to help with reforestation? (recon: abbreviation of “reconnaissance”)
- To scare away wildlife
- To map the terrain in 3D and identify planting spots
- To heat the soil for faster seed growth
- To spread seeds over wide areas
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Hint

recon: abbreviation of “reconnaissance,” meaning: a preliminary examination or survey to gain information, usually followed by a detailed survey.
Question 9 of 20

9. Question
What is one benefit of using drones for reforestation?
- Drones can plant seeds in dangerous or inaccessible areas.
- Drones produce oxygen faster than trees.
- Drones reduce the need for sunlight during reforestation.
- Drones create stronger forests.
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Question 10 of 20

10. Question
What is the purpose of ghost peppers in DroneSeed’s seed pucks?
- To prevent the seeds from being washed away by rain
- To fertilize the seeds for faster growth
- To keep the pucks lightweight for drones
- To deter animals from eating the seeds
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Question 11 of 20

11. Question
Where do trees primarily get their mass as they grow larger?
- From soil
- From water
- From carbon dioxide in the air
- From sunlight
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Question 12 of 20

12. Question
What is one reason deforestation contributes to climate change?
- It reduces the amount of oxygen in the air.
- It increases the release of stored carbon into the atmosphere.
- It decreases water vapor levels.
- It makes the soil less fertile.
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Question 13 of 20

13. Question
Why do trees release oxygen into the atmosphere?
- It helps regulate soil nutrients.
- Trees need oxygen to grow.
- Oxygen is a byproduct of photosynthesis.
- Trees absorb sunlight and convert it to oxygen.
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Question 14 of 20

14. Question
What is the role of trees in the carbon cycle?
- They release stored carbon into the air.
- They absorb carbon dioxide and store carbon in their mass.
- They replace oxygen with nitrogen.
- They remove water vapor from the atmosphere.
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Question 15 of 20

15. Question
Why is using drones to plant trees especially helpful in areas affected by wildfires?
- Wildfire-affected areas are unsafe for drones.
- They can plant seeds faster and in hard-to-reach areas.
- Drones are cheaper than human labor.
- Drones don’t require water or sunlight.
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Question 16 of 20

16. Question
Scientists found that CO2 levels have increased significantly since the Industrial Revolution. Why is this concerning?
- High CO2 levels are linked to rising global temperatures.
- CO2 levels disrupt the nitrogen cycle.
- Increased CO2 makes photosynthesis impossible.
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Question 17 of 20

17. Question
What is biomimicry, and how does DroneSeed’s technology mimic nature?
- It involves copying human actions; drones replace humans planting seeds.
- It’s designing technology based on nature; drones mimic birds spreading seeds.
- It’s the process of planting seeds by hand.
- It involves replacing forests with drones.
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Question 18 of 20

18. Question
What is the purpose of the recon drone in DroneSeed’s process? (recon: abbreviation of “reconnaissance”)
- To plant seeds directly
- To create a 3D map of the terrain
- To water the soil
- To carry larger drones
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Hint

recon: abbreviation of “reconnaissance,” meaning: a preliminary examination or survey to gain information, usually followed by a detailed survey.
Question 19 of 20

19. Question
How do trees contribute to reducing carbon dioxide levels in the atmosphere?
- By releasing oxygen during photosynthesis
- By storing carbon in their mass
- By consuming carbon dioxide from the air
- All of the above
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Question 20 of 20

20. Question
What process allows trees to use energy from the sun to grow?
- Respiration
- Photosynthesis
- Decomposition
- Combustion
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