Second Grade Projects, Lessons, Activities (Page 4)

When Science is Sweet: Growing Rock Candy Crystals

Science Fair Project Idea

Scientific Method

Here is a riddle for you: what kind of rock grows? The answer is: rock candy! This delicious candy is actually crystallized sugar and you can "grow" it from a sugar-water solution. In this science fair project you'll learn how to grow your very own rock candy and determine if using seed crystals changes the growth rate of your sugar crystals. Read more

Make a Cotton Ball Launcher

STEM Activity

1

2

3

4

5

479 reviews

Have you ever stretched and launched a rubber band at someone? Put that energy to good use and build a rubber band-powered cotton ball launcher in this fun activity! Read more

Build A Vortex Cannon!

STEM Activity

1

2

3

4

5

72 reviews

Here is a riddle for you: I am everywhere but you don't see me—what am I? The answer is: air! It is all around us, but it is usually invisible. We can, however, see the effect air has—for example when wind is moving tree branches. Air can move gently to create a nice breeze or turn into a wild and destructive hurricane. Not only can wind move objects with air, you can do it, too—as long as the objects are not too heavy! You can, for example blow on something—or you can… Read more

Build a Bristlebot, a Tiny Toothbrush Robot

STEM Activity

1

2

3

4

5

176 reviews

Do you think you could build a robot on the head of a toothbrush? Bristlebots are simple, tiny robots that buzz around like bugs. They are easy to build and fun to play with, and you do not need any previous experience with robotics to make one. You can even build two bristlebots and race them against each other! Move on to the Materials section to see what parts you need to build bristlebots, and the instructions for step-by-step directions on how to build them. Read more

Build a Wind-Powered Car

STEM Activity

1

2

3

4

5

362 reviews

Is that a sailboat or a sail...car? Design and build a toy car powered by the wind in this fun engineering project! Read more

Slime Chemistry

Science Fair Project Idea

Scientific Method

Have you ever wondered how fun toys like Silly Putty®, Gak™, and Slime™ are made? These products are so much fun because of the properties of polymers, which make them delightfully bouncy, stretchy, sticky, moldable, breakable, hard, soft, and just plain fun! In this science project you can be the developer of your own slime product by changing the amount of a key ingredient. By observing the physical properties of your results, you can choose the best recipe for your new… Read more

Turn Milk into Plastic!

Science Fair Project Idea

Scientific Method

"Plastic made from milk" —that certainly sounds like something made-up. If you agree, you may be surprised to learn that in the early 20th century, milk was used to make many different plastic ornaments —including jewelry for Queen Mary of England! In this chemistry science project, you can figure out the best recipe to make your own milk plastic (usually called casein plastic) and use it to make beads, ornaments, or other items. Read more

Build a Mini LED Lightsaber

STEM Activity

1

2

3

4

5

141 reviews

Build your own mini LED lightsaber with a straw in this quick Star Wars-themed STEM activity. May the Force be with you! Read more

Grow Rock Candy Crystals

STEM Activity

1

2

3

4

5

196 reviews

Did you know you can grow your own lollipop? In this activity, you'll learn how to grow your very own rock candy. It is an easy process and not labor-intensive. So, what are you waiting for? See how large you can grow your sugar crystals before temptation takes over. Read more

Make a Whirlybird from Paper

STEM Activity

1

2

3

4

5

105 reviews

Have you ever seen a helicopter flying through the air? Have you ever wondered how they fly—or if you could try flying one yourself? This fun activity will help you get started at home building a simple paper helicopter. And you will learn a little bit about what keeps these amazing vehicles aloft. Read more

Second Grade Projects, Lessons, Activities (460 results)

Explore Our Science Videos