A Science Teacher Wants to Provide Students with Practice in the Skill

question 34

Multiple Choice

A science teacher wants to provide students with practice in the skill of predicting. What would be the most suitable activity?

• A) Ask students what will happen to the temperature of water if they dissolve Epsom salts in it, and then have them measure the water's temperature before and after adding the Epsom salts.
• B) Ask students which of several seeds will sprout the fastest, and then have them plant one of each kind.
• C) Ask students what will happen to fresh water seaweed in a tank if they added 1, 2, 3, 4, and 5 drops of vinegar to simulate acid rain, and then have them try it.
• D) Ask students what will happen to rocks if they are tumbled in a rock tumbler, and then have them do it.
• E) All of the above
• F) None of the above

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Definitions:

Disposable Income

The amount of capital available for household expenditures and savings once income taxes have been removed.

Inventory

The goods and materials that a business holds for the ultimate goal of resale or repair.

Depreciation

The gradual decrease in the economic value of the capital stock of a firm, nation, or other entity, either through physical wear and tear or obsolescence.

Net Investment

The total amount of investment in new capital assets minus the depreciation on existing assets, indicating growth in an economy's productive capacity.