It is important to structure children's knowledge and arouse their interest in subjects like astronomy and space. Although we now talk of travelling to the moon, space tourism etc., knowledge about astronomy and space is limited and perceptions of these subjects do not reflect scientific reality. Primary level students often have misconceptions…

With the advent of the standards movement, most states have produced statewide tests that evaluate children's understanding of expository science text. Expository texts are designed to explain, describe, or present a logical argument. Usually, the purpose of expository texts is to present new information. This article describes a research-based…