Help your child practice his skills with measurements with this printable worksheet, which is all about weight.

What is volume? Use this great introduction about displacement to help your child learn the concept of volume.

Get wise about wind! Even though you can't see it, wind is a powerful force caused by changing temperature in the air.

Does an acorn weigh more than a swan? Your kindergartener will learn about comparing weights by ranking from lightest to heaviest.

How big is each piece of fruit? Help your child learn about measuring sizes, small, medium and large, with this fun worksheet!

These alien buddies are all different heights, can you tell which is tallest? Help your child learn about height with this measurement sheet.

In this playful illustrated worksheet, learners must rank items from shortest to longest.

Help your child practice his skills with volume with this printable worksheet, which asks him to estimate how much liquid things can hold.

Young learners will enjoy ranking objects from lightest to heaviest in this measurement comparison worksheet.

Introduce your student to the concept of length, and have her order these items from shortest to longest.

This measuring and alphabet worksheet gets your child comfortable with a ruler while he works on letter recognition.

This thermometer worksheet gives your child practice reading and using a thermometer. Try this thermometer and temperature worksheet with your child.

Introduce your child to measuring with a ruler, using both inches and centimeters.

Straighten out your drawing skills with a fun ruler worksheet! Practice using the ruler to draw straight lines, create patterns, or make shapes.

In this playful illustrated worksheet, learners must rank items from shortest to tallest.

Children practice estimating and comparing relative length in this engaging ordering worksheet.

This cute, colorful worksheet challenges children to estimate the lengths of four fish in inches and centimeters before using a handy cut-out ruler to measure them.

Help your child practice his skills in measuring with this printable worksheet, which asks him to measure the length of household objects.

Help your child practice his skills in estimation with this printable worksheet, which asks him to assess the length of household objects.

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.