Showing Results for -word-problems : Page 9

Explore convex and concave objects and how they reflect light.

Demonstrate how to tell the age of an egg without having to crack it open.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Demonstrate which cooking method gets rid of the most fat.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

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

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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

In this experiment you will replicate the mummification process by making a hot dog mummy.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.