Unit 4 Week 2

Genre – Expository NonfictionGenre – Expository Nonfiction

Expository Nonfiction provides factual information about a topic.

Vocabulary Strategy – Multiple Meaning Words

A multiple – meaning word is a word that has more than one meaning. For example, a story can mean “an account of what happened.” It can also mean “a lie, or falsehood.”

Comprehension Skill – Compare and Contrast

To compare and contrast is to tell how two or more things are alike and different.

Clue words such as like and as show similarities. Clue words such as but, instead, and unlike show differences.

Comprehension Strategy - Visualize

Good readers visualize as they read. This means they create pictures in their minds.

VocabularyAquariumDolphins

EnchantedFlexibleGlimpses

PulsesSurface

AquariumFish tank

DolphinsMarine mammals

EnchantedMagical; charmed

FlexibleStretchable; easily bent

GlimpsesBrief views

PulsesRhythmic beats or regular, measured beats

SurfaceThe top of the ground or body of water

According to the story, why do dolphins send out sound beamsfrom their foreheads?To talk with other dolphins that are

nearbyTo scare away other animals that

might eat themTo help them identify the things

around them

According to the story, how are dolphins and submarines alike?

They can only move in shallow water.

They use sonar in the water.They go up the Amazon River.

Which detail best supports the generalization that ocean dolphins would not be able to survive in the Amazon River?

Their bodies would not bend well so they would not be able to get around the branches.

Their flippers are too small to push them against the river currents.

The story said that pink dolphins can “whirl around like a Ferris wheel.” What does this mean?

They can dive straight down.They can jump high in the air.They can spin in a circle.

Why is one part of the story called “Nightmare Dream World?”

The rainforest was both dangerous and amazing.

The rainforest had a plant that causes bad dreams.

The rainforest was only a great place for animals to live.

What is a main idea of the second part of “Nightmare Dream World”?

Black tangarana ants will protect the tree that is their home.

The tangarana tree is home to the black tangarana ants.

The tangarana tree has long, oval leaves with hollow stems.

What generalization can be made from the information in this story?

All of the trees in the Amazon have spines.

There are many dangers in the Amazon.

Most of the animals in the rainforest are deadly.

Pink dolphins are probably difficult to study because they are hard to -See because they swim in dark, leaf

stained waterCatch because they move in different

directionsFind because there are so few living in

the Amazon River

How are pink dolphins and ocean dolphins alike?

They use echolocation, or sonar, to find things in the water.

According to the story, how are pink dolphins and people alike?

Dolphins look as different from one another as people do.

In this story, why did the author speak directly to the reader?

The author wants to help the reader imagine traveling in the Amazon.