5th - 7th Grade Science Activities : Page 11

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!