Estimation is not used as an activity at the primary level.

Concrete operational thinking is not essential for an understanding of the need for and use of standard units of measurement.

To a primary-age child, the term animal usually refers to _____.

Division is used to solve two types of problems: sharing and _____.

With which of the following does a primary science investigation usually begin?

Which of the following is the second stage of block play?

Instructional technologies can provide an engaging way for children to document and enhance their science investigations.

Which of the following would be considered a physical method of microbial growth control? 

Match the bacterial species with the disease it causes. 

Match each type of lab medium with the best description.