A Sticky Idea

What is the key detail in paragraph 2?

• Frogs like to have clean feet.

• The pads on a frog's feet are sticky and do not pick up dirt.

• It is hard for a frog to hold on to a tree.

Tags

CCSS.RI.2.1

CCSS.RI.3.2

CCSS.RL.2.2

CCSS.RL.3.1

CCSS.RL.3.2

What is a key detail from the section called "New Ideas"?

• The way a tree frog's foot works can lead to many inventions.

• Glue and tape can lose their stickiness easily.

• Many companies use tree frogs for research.

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.2.2

CCSS.RL.3.1

CCSS.RL.3.2

What is a key detail in the section called "Put to the Test"?

• Tree frogs like to hop on slanted platforms.

• Researchers tested the feet of tree frogs to see how they stick to surfaces.

• Researchers used tree frogs' feet to invent a new kind of tape.

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.2.2

CCSS.RL.3.1

CCSS.RL.3.2

Which key details in the section "How It Works" shows why a tree frog's feet are sticky?

• frog's feet touch the surface on their pads; frogs keep their feet clean

• frog's feet cannot stay on slanted platforms; their feet have dust and dirt.

• frog's feet produce mucus; the feet have a pattern of six-sided shapes that helps spread mucus

Tags

CCSS.RI.2.1

CCSS.RI.3.2

CCSS.RL.2.2

CCSS.RL.3.1

CCSS.RL.3.2

Connect the key details to tell the main idea of the passage.

• Tree frogs use mucus to help them stick to surfaces.

• The way a tree frog's feet work can be copied and used for many purposes.

• Tape does not stay sticky when it is dirty.

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.2.1

CCSS.RL.3.1

CCSS.RL.3.2

A root word is the simplest form of a word. It helps you figure out the meaning of the related word. Use the root word to help you choose the best answer.

The way this frog's foot works can be copied and used for many purposes. Its design can give us ideas for other inventions.

Choose the best meaning of the word inventions.

• something new that has been made

• people who come up with ideas

• vents used for something new

Tags

CCSS.RI.2.4

CCSS.RI.3.4

CCSS.RI.4.4

CCSS.RL.3.4

CCSS.RL.4.4

A root word is the simplest form of a word. It helps you figure out the meaning of the related word. Use the root word to help you choose the best answer.

Tire and car makers also have a use for what a tree frog's foot can do. Material that can get a good grip and stay clean could improve tire performance

Choose the best meaning of the word performance.

• the way that tires are formed

• a part of a tire

• the way that something performs or works

Tags

CCSS.RI.2.4

CCSS.RI.3.4

CCSS.RI.4.4

CCSS.RL.3.4

CCSS.RL.4.4

A root word is the simplest form of a word. It helps you figure out the meaning of the related word. Use the root word to help you choose the best answer.

Researchers tested a group of tree frogs. They placed the frogs on platforms and then slanted and moved the platforms.

Choose the best meaning of the word researchers.

• people who do tests or experiments on something.

• people who take care of animals

• people who invent new types of glue and tape.

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

A root word is the simplest form of a word. It helps you figure out the meaning of the related word. Use the root word to help you choose the best answer.

Studying frogs' feet is just one way that people can find inspiration in nature. Ideas come from things all around us.

Choose the best meaning of the word inspiration.

• a type of plant

• something that brings about an idea

• a person who studies nature

Tags

CCSS.RI.2.4

CCSS.RI.3.4

CCSS.RI.4.4

CCSS.RL.3.4

CCSS.RL.4.4

A root word is the simplest form of a word. It helps you figure out the meaning of the related word. Use the root word to help you choose the best answer.

Ideas come from things all around us. No one knows what is coming next. What is your prediction?

Choose the best meaning of the word prediction.

• inventing something

• coming up with an idea

• figuring out what will happen next

Tags

CCSS.RI.2.4

CCSS.RI.3.4

CCSS.RI.4.4

CCSS.RL.3.4

CCSS.RL.4.4