Showing Results for grade 4 : Page 17

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

This science fair project idea measures physical dexterity as a function of temperature.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Determine whether the application of Febreeze will lower the bacterial count.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).