The Science Behind Sight

1.Which part of the eye do glasses correct?

• iris

• lens

• pupil

• retina

2.How does the author support the idea that sight is an important sense?

• by listing the different tasks sight helps with

• by explaining that people need light to see

• by stating the names of all of the senses, including sight

• by sharing that people can see objects that give off light

3.The passage states that some materials reflect light. What does reflect mean?

• to use up

• to bounce back

• to make bigger

• to bring into being

4.What causes the pupil to become smaller?

• blinking the eye

• letting light into the eye

• being in a place that is bright

• looking at an object that is far away

5.The author states that animals with eyes at the sides of their heads cannot tell how far away something is. Why does the author state this?

• to explain why most animals that hunt have eyes in the front

• to explain why it is good for an animal to be able to see behind it

• to support the idea that some animals see things differently than people do

• to support the idea that the body parts of different animals perform special jobs

Use the selection "Bow- head Whales and Their Songs"

1.The article tells about farm strait. How does the map help the reader understand what a strait is?

• by showing the number or whales in Farm Strait

• by showing the water temperature in Farm Strait.

• by showing that Farm Strait is near many big rivers

• by showing that Farm Strait is a narrow body of water

2.Based on the sentences above, what can microphones record?

• tastes

• sounds

• feelings

• thoughts

3.According to paragraph 5, what is one effect of bowhead whales' thick blubber?

• The whales are not easy to hunt.

• The whales do not need any teeth.

• The whales can live in cold water all year long.

• The whales can make breathing holes in the ice.

4.Which meaning of material is used above?

• tool

• cloth

• what something is made of

• information in a piece of writing

6.Think about the latin word lumin. What is the meaning of illumination above?

• heat

• light

• food

• weight