UNIT 10과학AR 4.1242단어식물의 광합성 · Photosynthesis

🌱 Sunny the Sunflower's Secret Kitchen

초등 과학 '식물의 광합성'으로 배우는 필수 영단어

📥 학습지 무료 내려받기

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📖 English Story

Hello! My name is Sunny, and I am a young sunflower. I live in Haeun's garden, and she waters me every morning before school. Do you know how I eat? I do not have a mouth, but I can still make my own food.

My kitchen is inside my green leaves, and the first thing I need is sunlight. My leaves are green because they have chlorophyll, and it helps them catch light from the sun. Sunlight gives me the energy I need to cook my food.

Next, I need water. My roots drink water from the soil, and the water moves up my stem to my leaves. I also need air, so I take in a gas called carbon dioxide through tiny holes in my leaves.

Now my leaves use the energy from sunlight to turn water and carbon dioxide into sugar. This sugar is my food, and it helps me grow tall and strong. I keep some of it in my stem and roots for later. Scientists call this special work photosynthesis.

Photosynthesis also makes oxygen, and I send it out into the air. People and animals need oxygen to breathe, so we all need green plants. In return, when you breathe out, you give me the carbon dioxide that I need.

So the next time you walk past a tree or a flower, please say thank you. We plants work hard every day, even when you cannot see it!

🔬 오늘의 상식

광합성은 식물이 햇빛, 물, 이산화탄소를 이용해 스스로 양분(당분)을 만드는 과정이에요. 광합성은 주로 잎에서 일어나는데, 잎 속의 초록색 엽록소가 햇빛을 받아들여요. 물은 뿌리에서 흡수되어 줄기를 통해 잎까지 올라가고, 이산화탄소는 잎의 작은 구멍(기공)으로 들어와요. 광합성을 하면 산소도 만들어지는데, 이 산소 덕분에 사람과 동물이 숨을 쉴 수 있어요.

🔤 핵심 단어

SUNLIGHT

햇빛

Plants grow well in sunlight.

식물은 햇빛을 받으면 잘 자라요.

LEAVES

잎 (leaf의 복수형)

The leaves turn red and yellow in fall.

가을이 되면 나뭇잎이 빨갛고 노랗게 물들어요.

ROOTS

뿌리 (root의 복수형)

The roots of a tree go deep into the ground.

나무의 뿌리는 땅속 깊이 뻗어 있어요.

SUGAR

당분, 설탕

Grapes taste sweet because they have sugar.

포도는 당분이 있어서 달콤한 맛이 나요.

PHOTOSYNTHESIS

광합성

Photosynthesis happens mostly in green leaves.

광합성은 주로 초록색 잎에서 일어나요.

OXYGEN

산소

Fish get oxygen from the water.

물고기는 물에서 산소를 얻어요.

✏️ 독해 퀴즈

Q1. Who waters Sunny every morning?

Q2. How does water get to Sunny's leaves?

Q3. What food do Sunny's leaves make?

Q4. What do people give plants when they breathe out?

🧩 빈칸 채우기

photosynthesisleavesoxygensugarrootssunlight
1.Plants grow well in  .
2.The   turn red and yellow in fall.
3.The   of a tree go deep into the ground.
4.Grapes taste sweet because they have  .
5.  happens mostly in green leaves.
6.Fish get   from the water.