Question

What is the meaning of variable?

Responses

a type of equipment
a type of equipment

a condition that is permanent
a condition that is permanent

a type of experiment
a type of experiment

a condition that can change


Refer to the Newsela article "A Step-by-Step Guide to the Scientific Method."

Part A

Which statement is a central idea of the text?

Responses

Scientific research has been practiced for centuries.
Scientific research has been practiced for centuries.

Scientists work carefully.
Scientists work carefully.

Scientists make up their findings.
Scientists make up their findings.

Scientific research is rushed to reach conclusions.
Scientific research is rushed to reach conclusions.
Question 2
Part B - Points depend on a correct response in Part A.

Which detail from the text best supports the answer in Part A?

Responses

Modern scientists go beyond the ancient Greeks.
Modern scientists go beyond the ancient Greeks.

Scientists repeat the experiments of other scientists.
Scientists repeat the experiments of other scientists.

Scientists slowly modify experiments.
Scientists slowly modify experiments.

Scientists must complete all experiments in a hurry.


Refer to the Newsela article "How You Can Make a Solar Oven To Cook with a Pizza Box."

What is the author's purpose in mentioning that solar energy is cheap?

Responses

to explain that the sun does not produce much energy
to explain that the sun does not produce much energy

to inform readers about the details of solar energy
to inform readers about the details of solar energy

to increase the experiment's appeal
to increase the experiment's appeal

to convince readers to use expensive energy sources



Refer to the Newsela article "How You Can Make a Solar Oven To Cook with a Pizza Box."

How does the text make a connection between solar energy and burning fuel?

Responses

It analyzes how efficient solar energy is.
It analyzes how efficient solar energy is.

It divides them into categories.
It divides them into categories.

It compares how both can be used to cook food.
It compares how both can be used to cook food.

It explains both in equal detail.

(i dont have the Newsela)