Children should not begin to use 1–100 number charts to learn about number patterns until third grade.

When considering the results of an investigation, children should only ever accept the original prediction was correct.

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

Which hemoflagellate is transmitted by the Tsetse fly and causes African sleeping sickness?

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

Which of the following viruses does not cause latent or chronic infections?

When a bacteria is infected with bacteriophage during the lysogenic cycle, the bacteria can have increased pathogenicity. In other words, bacteria can be more prone to cause disease because of the integrated genome of the prophage. 

A combination of phylogenetic and phenotypic methods is most commonly used to classify bacterial species into groups. 

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

What infectious organism is entirely made of protein and causes diseases known as spongiform encephalopathies in humans and animals?