Showing Results for ready fourth grade : Page 5

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

This science fair project idea examines whether boys and girls differ in reflexes.

Discover how and which salt melts ice the quickest.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.