measurement

Explores sound and related vibrations.

"Flamingos, jack-o'-lanterns, and six other fun, non-standard measuring units demonstrate the math concept of height. Through the use of . . . composite photos and a hint of text, pre-readers learn the height of a giraffe, a snowman, a tennis ball, and more"--Provided by publisher.

Introduces the various ways to determine time including calendars, clocks, stopwatch, and timer.

"Llamas, hot dogs, and six other silly, non-standard measuring units demonstrate the math concept of weight. Pre-readers learn the weight of a car, a hummingbird, a burger, and more through the use of . . . composite photos and a bit of text"--Provided by publisher.

Describes what weight is and how it can be measured.

"A non-fiction introduction to the massive scale of the known universe"--.

"A non-fiction introduction to the massive scale of the known universe"--Provided by publisher.

". . . Young readers will learn how scientists use scales and balances to observe and measure weight"--Provided by publisher.

Describes the concept of time and how it has been measured throughout history, using water clocks, sundials, calendars, and atomic vibrations.

On a hot summer day, three children squabble over which ingredients and what quantities should go into their extra special lemonade.