4th Grade Science Activities : Page 6

This science fair project idea determines which method of hand cleansing is the most effective.

This science experiment tests if dog saliva can really help heal wounds.

Try this chemistry experiment with your curious kid and get some "shocking" results!

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this experiment we will be determining whether birds prefer certain colors of seed.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.