Why do trees growing together grow taller than those growing alone? 为什么一起生长的树比单独生长的树长得更高？
They share light, food, and space.他们共享光线、食物和空间。
They protect each other.他们互相保护。
They compete for light, food, and space.它们争夺光线、食物和空间。
Choose 2 places where plants would grow well. 选择 2 个植物生长良好的地方。
Sunny garden. Concrete path. 阳光明媚的花园。 具体路径。
Sunny garden. Well-watered lawn .阳光明媚的花园。 浇水良好的草坪。
Well-watered lawn. Desert. 浇水良好的草坪。 沙漠。
Choose 2 places where plants would not grow. 选择 2 个植物不会生长的地方。
Concrete path. Desert. 具体路径。 沙漠。
Concrete path. Well-watered lawn. 具体路径。 浇水良好的草坪。
Oasis. Sunny garden. 绿洲。 阳光明媚的花园。
Plants grow well when ...当...时植物生长良好
they have fertile soil and cold conditions 他们有肥沃的土壤和寒冷的条件
they have fertile soil, warmth, and water 他们有肥沃的土壤、温暖和水源
In a scientific investigation, what is observation. 在科学研究中，什么是观察？
Explain what you have observed. 解释你所观察到的情况。
Look and notice differences and similarities 观察并注意差异和相似之处。
In a scientific investigation, what is prediction? 在科学研究中，什么是预测？
Recording your observations.记录您的观察结果。
Guessing what you think will happen.猜猜你认为会发生什么。
Asking yourself questions.问自己问题。
Seeds will germinate best ...种子会发芽最好...
in warm conditions.在温暖的条件下
in the cold.在寒冷中。
without water.没有水。
What is the scientific name for when seeds start to grow? 种子开始生长的科学名称是什么？
Young plant. 树苗。
Germination.发芽
Seedling.幼苗。
What is/are the functions of roots? 根的作用是什么？
Take water/nutrients from the soil.从土壤中获取水分/养分。
Make food for the plant. 为植物制造食物。
What are the functions of the stem? 茎有啥作用？
Take water from roots to the plant. Support the plant. 将水从根部输送到植物。支撑植物。
What is the function of the leaves? 叶子的作用是什么？
To provide shade for the roots.为根部提供遮荫。
To make food for the plant. 为植物制造食物。
What are the functions of a flower?花的作用有哪些？
Look beautiful. 看上去很美。
Attract insects. Make seeds. Make pollen/nectar.吸引昆虫。制造种子。制造
Why is light so important to plants? 为什么光对植物如此重要？
The leaves use light to make food. .叶子利用光来制造食物。
So insects can see the plants easily. 因此昆虫可以很容易地看到植物。
Why can we see The Moon? 为什么我们能看到月亮？
It shines brightly in the sky. 它在天空中闪闪发光。
It reflects light from the Sun 它反射来自太阳的光。
How many times does the Earth turn in a day? 地球一天转多少圈？
1
24
How long does it take the Earth to orbit the sun? 地球绕太阳公转一周需要多长时间？
One month. 一个月。
One year. 一年。
One day. 一天。
