This assessment includes 25 questions about science. Carefully read each question. Then click on the ONE correct answer.

Your answers to this assessment will not change your grade. No one will be able to tell which answers are yours. Please try your best. Ask your teacher if you have trouble understanding any of the questions.

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* 1. Soil often contains the things listed below. Which things were once living?

* 2. An energy source is renewable if:

* 3. What is the best way to make Earth’s supply of aluminum last longer?

* 4. Elena found a rock while on a hike. She wants to identify the rock. Which property should Elena use to identify the rock?

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