This science fair project idea investigates which objects float and sink in honey, water, and oil.

Play with, explore, and describe everyday objects with your preschooler to get her ready to learn basic math skills and concepts.

Boost your preschooler's math and verbal skills by having her participate in simple, fun activities that teach her how to sort, count, and categorize objects.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Explore convex and concave objects and how they reflect light.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

In this science fair project, students test how objects float and sink in liquids of different densities.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This experiment examines if space objects become round after reaching a certain mass.

This science fair project idea compares the mass and density of objects.

Find out whether matching resonant frequencies can cause objects to shatter.

This flash card game will help your child memorize words while visually learning the differences between objects.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This science fair project idea produces sounds by creating vibrations using different objects.

This project examines what types of objects burn and which burn faster and cleaner.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

Create clear sound shakers so your preschooler can observe and compare the different sounds that objects make!

Try a 100th Day of School Scavenger Hunt with your preschooler, and send her on the search for objects of different colors!

Kids will love painting shapes of objects in a still life while using strong colors showing highlights and shadows.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

This activity is a craft project and a math workshop all in one! Use found objects to encourage your child to imitate, extend, and create patterns.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

Make a festive bunny box that will be great for gift giving or storing candy and other small objects.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.