Ready Reading Lesson 23

Which statement gives a reason that supports the author's point about Mars rovers?

• A science station has a lot of capabilities.

• Vehicles like Curiosity are well-suited for exploring Mars.

• Mars rovers must be able to collect data and sent it to Earth.

• Curiosity has human-like-traits that will help people travel to Mars.

Which sentence best supports that- Vehicles like Curiosity are well-suited for exploring Mars.

• Supporters of Mars exploration also point out that, as a vehicle, Curiosity can do much more than a science station.

• Curiosity moves-or roves- across the surface of Mars.

• The rovers "feet" are its wheels.

Read the sentence:

Should the exploration of Mars continue, despite the staggering cost?

What does the suffix -ation mean in the word exploration?

• state of

• result of

• source of

• process of

Which detail is a reason that best supports the author's main point?

• "Some scientists claim that within 40 years, humans will be living on Mars."

• "Curiosity also has a laser that can analyze the chemicals in soil and rocks."

• "During its first 100 days on Mars, the rover detected water in the planet's soil."

• "Mars rovers may provide knowledge that is key to understanding our own universe."

Mars rovers may turn up new energy sources to use on Earth.

• Reason

• Evidence

Curiosity and other rovers have worked much longer than expected.

• Reason

• Evidence

The rover missions provide additional benefits.

• Reason

• Evidence

Curiosity and other rovers help the economy because they create jobs.

• Reason

• Evidence

Learning Target- Authors use ____________ and __________ to support their points about a topic.

• cause and effect

• compare and contrast

• reasons and evidence

• reasons and causes

Authors back up their points with good __________ telling why their ideas might be true.

• reasons

• evidence