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Experiments with Ruler

110 experiments using this material

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DIY Periscope

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:25 min Materials:5 items Age range:8-12

Amazing DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:10 min Materials:5 items Age range:8-12

Super DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:15 min Materials:5 items Age range:8-12

Mega DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:20 min Materials:5 items Age range:8-12

Ultimate DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:25 min Materials:5 items Age range:8-12

Epic DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:30 min Materials:5 items Age range:8-12

Cool DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:5 min Materials:5 items Age range:8-12

Awesome DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:10 min Materials:5 items Age range:8-12

Fun DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:15 min Materials:5 items Age range:8-12

Quick DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:20 min Materials:5 items Age range:8-12

Simple DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:25 min Materials:5 items Age range:8-12

Giant DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:30 min Materials:5 items Age range:8-12

Mini DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:5 min Materials:5 items Age range:8-12

Rainbow DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:10 min Materials:5 items Age range:8-12

Glow-in-the-Dark DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:15 min Materials:5 items Age range:8-12

Magnetic DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:20 min Materials:5 items Age range:8-12

Solar-Powered DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:25 min Materials:5 items Age range:8-12

Wind-Powered DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:30 min Materials:5 items Age range:8-12

Water-Powered DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:5 min Materials:5 items Age range:8-12

Spinning DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:10 min Materials:5 items Age range:8-12

Bouncing DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:15 min Materials:5 items Age range:8-12

Floating DIY Periscope Challenge

A periscope works using the law of reflection: light bounces off a mirror at the same angle it hits it. The top mirror c...

Duration:20 min Materials:5 items Age range:8-12

Pendulum Wave Machine

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:30 min Materials:6 items Age range:9-12

Amazing Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:20 min Materials:6 items Age range:9-12

Super Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:25 min Materials:6 items Age range:9-12

Mega Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:30 min Materials:6 items Age range:9-12

Ultimate Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:5 min Materials:6 items Age range:9-12

Epic Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:10 min Materials:6 items Age range:9-12

Cool Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:15 min Materials:6 items Age range:9-12

Awesome Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:20 min Materials:6 items Age range:9-12

Fun Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:25 min Materials:6 items Age range:9-12

Quick Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:30 min Materials:6 items Age range:9-12

Simple Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:5 min Materials:6 items Age range:9-12

Giant Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:10 min Materials:6 items Age range:9-12

Mini Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:15 min Materials:6 items Age range:9-12

Rainbow Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:20 min Materials:6 items Age range:9-12

Glow-in-the-Dark Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:25 min Materials:6 items Age range:9-12

Magnetic Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:30 min Materials:6 items Age range:9-12

Solar-Powered Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:5 min Materials:6 items Age range:9-12

Wind-Powered Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:10 min Materials:6 items Age range:9-12

Water-Powered Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:15 min Materials:6 items Age range:9-12

Spinning Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:20 min Materials:6 items Age range:9-12

Bouncing Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:25 min Materials:6 items Age range:9-12

Floating Pendulum Wave Machine Challenge

Each pendulum has a different length, which means each one has a different natural frequency — shorter pendulums swing f...

Duration:30 min Materials:6 items Age range:9-12

Cardboard Robot Arm

Your cardboard robot arm mimics how real tendons and muscles work in your hand! The strings act like tendons — strong co...

Duration:30 min Materials:8 items Age range:9-12

Amazing Cardboard Robot Arm Challenge

Your cardboard robot arm mimics how real tendons and muscles work in your hand! The strings act like tendons — strong co...

Duration:10 min Materials:8 items Age range:9-12

Super Cardboard Robot Arm Challenge

Your cardboard robot arm mimics how real tendons and muscles work in your hand! The strings act like tendons — strong co...

Duration:15 min Materials:8 items Age range:9-12

Mega Cardboard Robot Arm Challenge

Your cardboard robot arm mimics how real tendons and muscles work in your hand! The strings act like tendons — strong co...

Duration:20 min Materials:8 items Age range:9-12