W an Elementary Science Teacher Wants to Provide Students with Practice

question 27

Multiple Choice

W An elementary science teacher wants to provide students with practice in the skill of experimenting. Which of the following questions would most likely be investigated through experimenting?

• A) Why do leaves turn color in the autumn?
• B) How many volts of electricity does it take to light a flashlight bulb?
• C) What happens to limestone when you drop vinegar on it?
• D) What happens to a hardboiled egg put into a glass of water when I add salt to the water?
• E) All of the above
• F) None of the above

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Definitions:

Operating Costs

Expenses associated with the day-to-day functioning of a business or operating a piece of equipment.

Operating Expenses

The costs associated with running a day-to-day business operation, excluding the cost of goods sold.

Discounted Price

The reduced price of a product or service after applying a discount to its original price.

Irrigation Pump

A device used to move water from a source to a field to aid in the cultivation of crops.