to thrive.
carbon dioxide (co2) is another thing plants need. they use it during photosynthesis to make
food. higher levels of co2 can sometimes help plants grow faster, but only if they also have
enough water and nutrients. if water or nutrients are missing, the extra co2 will not help much. in
some places, climate change is causing droughts, which means less water for plants. this makes it
harder for them to grow, even with more co2 in the air.
plants depend on their environment to survive. if they do not get enough sunlight, water, carbon
dioxide or nutrients, they cannot grow well. understanding what plants need can help us take
better care of them, whether we are growing crops or taking care of a garden. by giving plants the
right conditions, we can help them thrive and continue to provide food, oxygen, and beauty for the
world around us.
vocabulary
| term | definition | example sentence |
| --- | --- | --- |
| photosynthesis (noun) | the process by which plants use sunlight, water, and carbon dioxide to make their own food and produce oxygen. | plants need sunlight for photosynthesis to create the energy they need to grow. |
| transpiration (noun) | the process by which water evaporates from a plant’s leaves, helping to keep the plant cool. | transpiration helps plants stay cool on hot days by releasing water through their leaves. |
| nutrients (noun) | substances that plants need to grow and stay healthy, such as nitrogen and minerals from the soil. | farmers add nutrients like nitrogen to the soil to help crops grow better. |
| carbon dioxide (noun) | a gas in the air that plants use during photosynthesis to make food. | plants take in carbon dioxide from the air to help them create energy through photosynthesis. |
| droughts (noun) | long periods of time with little or no rainfall, making it hard for plants to get enough water. | climate change is causing more droughts, which makes it harder for plants to survive. |
multiple choice questions
| question #1 | question #2 |
| --- | --- |
| why do plants need sunlight? | what happens if a plant gets too much water? |
| a. to keep their leaves green. | a. its roots can drown or get diseases. |
right page text:
to make food.
b. it grows faster and stronger.
during cold weather.
c. its leaves turn yellow and fall off.
to move through the plant.
d. it stops needing sunlight for food.
short answer questions
question #1 what happens to plants if they do not get enough water?
question #2 why is it important to give plants the right conditions to grow?
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Question

Accepted Answer

### Short Answer Questions

#### Question #1
# Brief Explanations:
From the text, plants need sunlight (along with water and carbon dioxide) for photosynthesis to make food. If they don't get enough water, as per the text, since water is essential for growth (along with sunlight, CO₂, nutrients), they can't grow well. Also, the context about droughts (little water) making it hard for plants to survive implies that without enough water, plants will struggle to grow—their leaves might turn yellow and fall off (option C - though from the multiple - choice options' context, the descriptive answer is: Plants need water for growth (along with sunlight, CO₂, nutrients). If they don't get enough water, they cannot grow well. In cases of drought (little water), it's harder for them to survive. Their growth will be stunted, and they may show signs like yellowing leaves, as water is essential for processes like photosynthesis and transporting nutrients.
# Answer:
If plants do not get enough water, they cannot grow well. They may struggle to survive, and their growth will be stunted (e.g., leaves may turn yellow and fall off). Water is essential for processes like photosynthesis and transporting nutrients, so a lack of water hinders these processes and the plant's overall health.

#### Question #2
# Brief Explanations:
The text states that by giving plants the right conditions (sunlight, water, carbon dioxide, nutrients), we can help them thrive. Thriving plants provide food, oxygen, and beauty for the world around us. So, giving plants the right conditions is important because it allows them to grow well, survive, and perform their ecological roles (producing food, oxygen) and also provide aesthetic value (beauty).
# Answer:
It is important to give plants the right conditions to grow because it helps them thrive. Thriving plants can provide food, oxygen, and beauty for the world around us. Also, understanding and providing the right conditions (sunlight, water, carbon dioxide, nutrients) ensures that plants can grow well and survive, fulfilling their ecological and aesthetic functions.

### Multiple Choice Questions

#### Question #1
# Brief Explanations:
From the vocabulary section, photosynthesis is the process where plants use sunlight, water, and carbon dioxide to make food and produce oxygen. So plants need sunlight for photosynthesis to make food. Option A (to keep leaves green) is not mentioned as the reason for needing sunlight. The relevant part of the text: "They use it [sunlight] during photosynthesis to make food" (along with water and CO₂).
# Answer:
The correct option related to why plants need sunlight (from the given options' context, though the full options aren't all visible, but from the text) is the one related to making food. If we assume the options include one like "To make food (during photosynthesis)", that would be correct. But from the visible part, the key is that plants need sunlight for photosynthesis to make food.

#### Question #2
# Brief Explanations:
When a plant gets too much water, its roots can drown or get diseases. This is a common fact about plant care—excess water can lead to root rot or other diseases as roots need air too, and too much water displaces air in the soil. The option A "Its roots can drown or get diseases" is correct.
# Answer:
A. Its roots can drown or get diseases.

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QUESTION IMAGE

Question

Explanation:

Short Answer Questions

Question #1

Answer:

Question #2

term	definition	example sentence
transpiration (noun)	the process by which water evaporates from a plant’s leaves, helping to keep the plant cool.	transpiration helps plants stay cool on hot days by releasing water through their leaves.
nutrients (noun)	substances that plants need to grow and stay healthy, such as nitrogen and minerals from the soil.	farmers add nutrients like nitrogen to the soil to help crops grow better.
carbon dioxide (noun)	a gas in the air that plants use during photosynthesis to make food.	plants take in carbon dioxide from the air to help them create energy through photosynthesis.
droughts (noun)	long periods of time with little or no rainfall, making it hard for plants to get enough water.	climate change is causing more droughts, which makes it harder for plants to survive.