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4-6
Dabble Lab: Take Making to the Next Level 4D series.
Readers will need batteries, LEDs, resistors, a breadboard, and wires to conduct the experiments in this collection. Once equipped, they can explore series and parallel circuits and switches. Step-by-step directions on how to assemble the set-ups are further detailed in helpful photographs. Facts and explanations scattered throughout provide minimal scientific content; the "4D" feature is an online video portal. Ind.
(4)
4-6
Dabble Lab: Take Making to the Next Level 4D series.
Routine experiments feature topics such as chemical reactions with baking soda, vinegar, and yeast; phase changes with ice cream; and photosynthesis through plant growth. The activities use fairly common household items and have clear directions. Photographs accompany the trickier steps, though many reveal the results. Explanations of the underlying science lack depth; the "4D" feature is an online video portal. Ind.