Grouping materials with similar properties into the same categories is referred to as ____________.
Fill in the blank(s) with the appropriate word(s).
[Ques. 2] Electronic presentations of scientific research from the American Museum of Natural History in New York are called ______________ _______________.
Fill in the blank(s) with the appropriate word(s).
[Ques. 3] When a solid is transformed directly into a gaseous state, skipping the liquid phase, the process is called _________________.
Fill in the blank(s) with the appropriate word(s).
[Ques. 4] The most effective classroom science centers are designed by teachers and _________________.
Fill in the blank(s) with the appropriate word(s).
[Ques. 5] In a sixth grade science center, students measured the pH of water which refers to waters ________________.
Fill in the blank(s) with the appropriate word(s).
[Ques. 6] The third grade science center with seashells engaged the students in _______________.
Fill in the blank(s) with the appropriate word(s).
[Ques. 7] Examples of landforms are coastal plains, interior plains, mountains or _____________.
Fill in the blank(s) with the appropriate word(s).
[Ques. 8] The earths crust is made of huge chunks of rock called ______________.
Fill in the blank(s) with the appropriate word(s).
[Ques. 9] The effect of ocean wave action on rocks is called _____________.
Fill in the blank(s) with the appropriate word(s).
[Ques. 10] The three major rock types are igneous, sedimentary and _________________.
Fill in the blank(s) with the appropriate word(s).