Showing Results for two digit addition using : Page 6

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Think about the adaptive utility of an important aspect of our physiology.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea investigates the hardness property of minerals.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Use a dichotomous key to identify plants or animals.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

Science fair project that uses distillation to convert salt water into fresh water.

Determine which video game elevates the heart rate best and burns the most calories.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

This science fair project idea will be examining oxidation and acid rain

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.