Tree Anatomy and Functions

The video tutorial covers Lesson 17 of Nancy Larson Science, focusing on trees. It begins with a review of what students learned about leaves in the previous lesson. The teacher then discusses the parts of a tree, including roots, branches, and twigs. Students read about trees, identify and label tree parts, and explore the function of roots. The lesson concludes with a discussion on the characteristics of leaves and a drawing activity.

What did the students learn about leaves in their previous lesson?

• Leaves do not change color.

• Leaves are all the same shape and size.

• Leaves collect air.

• Leaves are always green.

Which part of the tree is described as having a hard woody stem?

• Root

• Leaf

• Trunk

• Twig

What is the purpose of bold print in the text?

• To make the text look pretty.

• To indicate important words.

• To confuse the reader.

• To make the text longer.

What covers the outside of a tree's trunk?

• Flowers

• Bark

• Roots

• Leaves

What are very small branches called?

• Trunks

• Leaves

• Twigs

• Roots

How do branches and twigs differ?

• Branches and twigs are the same size.

• Twigs are larger than branches.

• Branches are smaller than twigs.

• Twigs are smaller than branches.

What would happen to a tree without roots?

• It would grow taller.

• It would fall over.

• It would change color.

• It would produce more leaves.

What do roots do for a tree besides holding it in the ground?

• They produce flowers.

• They collect food.

• They make the tree taller.

• They change the tree's color.

What can be said about the sizes and shapes of leaves?

• Leaves can be different sizes and shapes.

• Leaves are always small.

• All leaves are the same size.

• Leaves are always round.

What color were most of the leaves observed by the students?

• Red

• Blue

• Yellow

• Green