2nd and 3rd Grade Measurement Activities

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

How powerful is the reaction between baking soda and vinegar? Find out here!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

Practice conversions within the metric system in this fun math card game for third graders.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This little chick is so cute that your child will want to make a whole flock to call her own.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.