Third Grade Projects, Lessons, Activities (Page 53)

Mars Rover Obstacle Course

STEM Activity

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How do scientists and engineers control robots that drive around other planets millions of miles away? It's nowhere near as easy as driving a toy remote-control car here on Earth. In this activity you will experience some of the challenges you face when driving a "robot" that you can't see! Read more

Mini Golf Physics

STEM Activity

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Have you ever played mini golf? It might seem like just a game, but there is a lot of science behind it! Learn about the physics behind a rolling, bouncing mini golf ball and design your own mini golf course in this fun science activity. Read more

Model How Herd Immunity Works

STEM Activity

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Have you ever wondered why you need to get a flu shot regularly? The vaccine protects you from getting sick with the flu, which is an infectious disease. Such diseases, like the flu or COVID-19, can easily spread through a population and cause a pandemic by making many people sick. Measures such as social distancing can reduce the risk of catching the disease, but real protection only comes from gaining immunity against the disease. This is the reason for vaccinations—to make someone… Read more

Molecular Scissors

Science Fair Project Idea

Scientific Method

Ever used a pair of molecular scissors? Restriction enzymes are molecular scissors that cut DNA into pieces. Find out which enzymes will cut, and where by making a restriction map. Then you can figure out what will happen if you change the sequence of the DNA. Will the same enzymes still cut the new DNA sequence? Read more

Moss is Boss: Using Plants to Determine Direction

Science Fair Project Idea

Scientific Method

Have you ever gone camping, looked up at the stars, and found the Big Dipper? Two stars in the dipper part of this constellation point to Polaris, the north star, which people have used for thousands of years to help them find their way. In this plant biology science fair project, you'll investigate whether plants, like moss, can help you find your way, too. Read more

Motion Mania: Applying Physics to Hula-Hooping

Science Fair Project Idea

Scientific Method

Practice makes you better at most things, and knowledge makes practice so much easier! Can you swirl a circular toy called a hula hoop around your waist or arm? Is it hard? What knowledge can you apply to find ways that make hula-hooping easier? Physics! Yes, physics will help you determine what makes one hula hoop a winner and another a flop. In this project, you will create your own hula hoops, spin them, and draw conclusions. The road will then be open to your becoming a hula hoop expert. If… Read more

Oil and Vinegar Do Mix…When You Have an Emulsifier

Science Fair Project Idea

Scientific Method

In this cooking and food science fair project, you will explore the role of proteins as emulsifying agents. Emulsifying agents are substances that are soluble in both fat and water and enable fat to be uniformly dispersed in water as an emulsion. Foods that consist of such emulsions include butter, margarine, salad dressings, mayonnaise, and ice cream. Emulsifying agents are also used in baking to aid the smooth incorporation of fat into the dough and to keep the baked goods tender. Natural… Read more

Pet Poll: A Taste Test for Fluffy & Fido

Science Fair Project Idea

Scientific Method

Has your dog ever barked, seemingly for no reason at all? Or has your cat ever stopped and carefully smelled a spot that looked perfectly clean to you? Pets, like people, have senses that they use to learn about and to react to their world, but their senses can be stronger or weaker than people's. In this mammalian biology science fair project, you'll study your pet's sense of taste by conducting taste tests and watching how your pet acts to determine his or her favorite type, flavor, or brand… Read more

Ping Pong Pickup Challenge for Grades 3-5

Lesson Plan Grade: 3rd-5th

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In this fun engineering lesson plan, your students will build devices from paper, tape, string, and paper clips to pick up and retrieve a ping pong ball. The challenge is to pick up the ball from as far away as possible! Middle school and high school versions of this lesson plan are also available. The 2023 competition is over, but you can see what students built and learn about the winners on the 2023 Engineering Challenge summary page. Read more

NGSS Performance Expectations:

3-5-ETS1-2. Generate and compare multiple possible solutions to a problem based on how well each is likely to meet the criteria and constraints of the problem.

Plants Are On The Move! A Study of Gravitropism

Science Fair Project Idea

Scientific Method

As we humans zip from place to place, we often forget to stop and smell the roses. Compared to our fast-paced lifestyle, plants seem rooted to the spot. Don't be deceived by appearances however, plants are on the move! This experiment will investigate the stimulus/response relationship in plants and prove that plants can move up and down in response to gravity. Read more

Third Grade Projects, Lessons, Activities (665 results)

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