Science courseware virtual dating

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en español The age of the Earth is 4.54 billion years (Ga or Gyr), a number which geologists have determined by several independent methods.

Because of the recycling of crustal rocks by plate tectonics, no direct material from the earliest Earth still exists.

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The activities include an online assessment quiz that consists of randomized interactive questions.

The activities also include an online assessment quiz that consists of randomized, interactive questions.

Students’ answers are graded automatically and stored in a database server hosted by the Virtual Courseware Project, and a printable certificate of completion is issued for each student.

It is widely accepted that inquiry-based curriculum programs have positive effects on cognitive achievement, process skills, and attitudes toward science (NRC 2000).

Science teachers seek engaging, effective, and inquiry-based activities that are standards-aligned and convenient to implement in their classrooms.

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