click below
click below
Normal Size Small Size show me how
3rd Plant Unit
Third Grade Plant Unit
| Question | Answer |
|---|---|
| What are the three parts of a seed? | Embryo, Seed Coat, Cotyledon |
| What is the embryo? | The baby plant. |
| What is the seed coat? | It protects the inside of the seed. |
| What is the cotyledon? | It is the stored nutrients and food for the embryo. |
| What is a tuber? | An underground growth that is part of the stem of a plant. |
| What tuber do we eat? | Potatoes |
| What part of a plant is the potato? | Stem. |
| What are the two kinds of roots? | Taproot and Fibrous root. |
| Which kind of root is a carrot? | Taproot. |
| Which kind of root look like a bundle of strings? | Fibrous root. |
| What are flowers for? | Pollination, to make new plants. |
| What part of the flower makes pollen? | Anther |
| What does the stamen do? | Supports the anther. |
| What part of the flower protected it when it was still a bud? | Sepals |
| What are the petals for? | Attracting pollinators. |
| What part of the flower catches pollen? | Stigma. |
| What part of the flower does the pollen travel down through to get to the ovary? | Pistil. |
| What is the ovary for? | It holds the egg cells |
| Why is pollination important? | Without it there would be no new plants. |
| How does pollination happen? | Pollen is carried form one plant to another by bees, birds, and other insects. |
| What does a seed need to grow? | Water, the correct temperature, stored nutrients. |
| What happens during pollination? | A grain of pollen lands on the stigma of a flower, travels down the pistil to the ovary, meets an egg cell and fertilizes it, and a new seeds grows. |
| What can pollinate plants? | Wind, insects, birds, animals. |
| What does a plants life cycle begin with? | A seed. |
| What grows around seeds to protect them? | Fruit |
| What does the number of seeds a plant makes depend on? | How many are pollinated. |
| What is the first thing to sprout out of a seed? | The root. |
| What are leaves for? | To collect sunlight and make food for the plant. |
| What part of the plant absorbs water and nutrients from the soil and also keeps the plant in the ground? | Roots |
| What is the stem for? | To support the plant and to carry food/water around the plant and waste away from the plant. |
| What is a root we eat? | Carrot |
| What is a leaf we eat? | Lettuce |
| What is a flower we eat? | Broccoli |