Lesson 1 - Structure and Functions of Plants

Kash had four plants of the same type and size inside four jars with the same kind of soil. He gave each plant the same amount of water. He kept the jars in different places in a room. He drew these pictures of how the plants looked after 10 days. Which question was Kash trying to answer?

• What temperature helps plants grow well?

• How much light do plants need to grow well?

• What kind of soil do plants need to grow well?

• How much water do plants need to grow well?

Plants make their own food through photosynthesis. They are producers. Which of the following things do plants need for photosynthesis?

• shelter

• oxygen

• sugar

• sunlight

The basic structures of a plant are: ________, ________, and _________.

• 
• 
• 
• 

When a seed germinates, it ______________.

• reproduces

• begins to grow

• grows leaves

• grows a flower

During photosynthesis, plants use the ______________ gas to make their food, and then the plant gives off ________ through the leaves.

Each wall in a room has a window with a shade. A plant is in front of each window. All plants are growing toward the same window. What can you infer about the shades?

• all shades are down except one

• all shades are up

• none of the windows have shades

• all shades are down

Where do plants get their nutrients from?

• sunlight's energy

• from the soil

• chlorophyll in the leaves

• carbon dioxide in the air

The roots function is to _______________.

• hold up the plant

• make food for the plant using sunlight

• absorb water and nutrients

• help the plant reproduce

The stem function is to _______________.

• hold up the plant and transport (carry) the nutrients, water

• make food for the plant using sunlight

• absorb water and nutrients

• help the plant reproduce

The function of the leaves is to _______________.

• hold up the plant and transport (carry) the nutrients, water

• make food for the plant using sunlight

• absorb water and nutrients

• help the plant reproduce