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Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

This project examines how temperature affects the volume of gas in balloons.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

This experiment investigates if small changes in your diet can alter your basal body temperature.

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

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Explore the wattage of microwaves in relevance to cooking time.

This experiment investigates if stress alters body temperature.

This project compares different liquids and the freezing, melting and boiling points of liquids.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This project explores whether music affects the growth and health of plants.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Probability can be a tough concept to master. Try playing this fun card game in order to help your third grader understand it a little better.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.