A Tree is Growing

Why does the author refer to the biggest and oldest trees at the beginning of the story?

• He wants to talk about trees.

• He wants us to know that all trees grow in their lifetime.

• He wants to compare big trees to old trees.

What will you see first on a tree?

• Leaves
• Buds
• Pinecones

Which is true about sap?

• It is tree juice that is food for the tree
• You can only see sap if you cut into the tree
• All sap keeps insects away

Why does the baobab tree store water?

• Because it is a tree that needs lots of water
• It needs lots of water for its leaves
• It keeps extra water in its trunk so it can use it when the weather becomes dry

People who grow trees often test the soil. Why do you think they do this?

• Trees need minerals to grow
• They want to see if the tree needs more water
• They want to see if the soil is good.

What else in nature has spines to protect it?

• Anteater
• Cactus
• Octopus

The author says that it is hard to tell the age of a tropical rain forest tree. Is this fact or opinion.

• Fact- since the growth rings are missing on the trees, it is hard to know how old they are.
• Opinion- You can just look at how tall the trees are to determine their age.

What needs to happen first to trees in spring?

• make seeds
• cambium grows
• have flowers

Why do leaves change color in autumn?

• Thats the way they were made
• The leaves need to fall off so the tree stops making them green
• Trees stop making the sugary food that keeps them green

How are pine trees different than trees that have leaves?

• They grow taller
• They have needles that don't change color
• They have pinecones