Elevate young scientists' skills with unit conversion using the stair-step method. Detailed instructions and a neat stair-step diagram are on the first page. Four pages of practice problems follow, mostly with real-world applications....

Using a piece of pink paper as the cytoplasm of an animal cell, beginning biologists color and cut out organelles on the handout to glue onto their cell models. Afterward, they create a list of the structures and describe the function of...