Huge Elephant Toothpaste - Part 2
Mr. Ratz
Huge Elephant Toothpaste - Part 2
2:55
Huge Elephant Toothpaste PART 1
Mr. Ratz
Huge Elephant Toothpaste PART 1
2:04
Scientific Method: Helicopter Lab
Mr. Ratz
Scientific Method: Helicopter Lab
2:38
Fluids: Water Riddle - Whiich cup will fill first?
Mr. Ratz
Fluids: Water Riddle - Whiich cup will fill first?
1:24
Physics: Catapult Lab for Newton's 2nd Law
Mr. Ratz
Physics: Catapult Lab for Newton's 2nd Law
4:12
Easy to Build Catapult for Kids
Mr. Ratz
Easy to Build Catapult for Kids
2:13
Physics - Lab on Newton's 3rd Law
Mr. Ratz
Physics - Lab on Newton's 3rd Law
3:57
Physics - Newton's 2nd Law
Mr. Ratz
Physics - Newton's 2nd Law
10:41
Physics: Finding Slope
Mr. Ratz
Physics: Finding Slope
8:17
Graphing Speed and Velocity
Mr. Ratz
Graphing Speed and Velocity
8:45
Physics: Speed and Velocity
Mr. Ratz
Physics: Speed and Velocity
10:01
Power Wheels Upgrade - 20V Battery
Mr. Ratz
Power Wheels Upgrade - 20V Battery
2:25
Power Wheels Upgrade - Pneumatic Tires
Mr. Ratz
Power Wheels Upgrade - Pneumatic Tires
2:40
Quick Lab: Elephant Toothpaste
Mr. Ratz
Quick Lab: Elephant Toothpaste
6:19
Power Wheels Paint Job
Mr. Ratz
Power Wheels Paint Job
3:16
Avocados
Mr. Ratz
Avocados
4:31
Chemistry: 4 Types of Chemical Reactions
Mr. Ratz
Chemistry: 4 Types of Chemical Reactions
7:50
Balancing Chemical Equations PART 1
Mr. Ratz
Balancing Chemical Equations PART 1
7:21
Balancing Chemical Equations PART 2
Mr. Ratz
Balancing Chemical Equations PART 2
15:57
What is a Dichotomous Key?
Mr. Ratz
What is a Dichotomous Key?
7:42
Virtual Lesson - Dich Key Directions
Mr. Ratz
Virtual Lesson - Dich Key Directions
4:33
Environmental: Renewable Energy Sources
Mr. Ratz
Environmental: Renewable Energy Sources
21:33
Environmental: Natural Resources
Mr. Ratz
Environmental: Natural Resources
11:38
Environmental: Non-Renewable Energy Sources
Mr. Ratz
Environmental: Non-Renewable Energy Sources
12:35
Physics: Bernoulli's Principle
Mr. Ratz
Physics: Bernoulli's Principle
9:49
Physics: Pascal's Law
Mr. Ratz
Physics: Pascal's Law
14:29
Physics: Fluid Dynamics
Mr. Ratz
Physics: Fluid Dynamics
12:47
Physics: Buoyancy & Archimedes Principle
Mr. Ratz
Physics: Buoyancy & Archimedes Principle
14:17
Physics: Atmospheric and Oceanic Pressure
Mr. Ratz
Physics: Atmospheric and Oceanic Pressure
9:11
Physics: Intro to Fluids and Pressure
Mr. Ratz
Physics: Intro to Fluids and Pressure
9:47
Basics of Physics: Friction
Mr. Ratz
Basics of Physics: Friction
10:27
What is Gravity?
Mr. Ratz
What is Gravity?
14:47
Intro to Physics - Position, Velocity, and Acceleration
Mr. Ratz
Intro to Physics - Position, Velocity, and Acceleration
13:44
Chemical Expressions
Mr. Ratz
Chemical Expressions
3:29
Chemical Bonding
Mr. Ratz
Chemical Bonding
6:49
Atoms and the Periodic Table
Mr. Ratz
Atoms and the Periodic Table
9:15
Impact Crater Lab
Mr. Ratz
Impact Crater Lab
3:17
Amazon Package Lab
Mr. Ratz
Amazon Package Lab
2:56
Spaghetti Bridge Lab!
Mr. Ratz
Spaghetti Bridge Lab!
6:36
Carlisle "Anything that Floats"
Mr. Ratz
Carlisle "Anything that Floats"
2:39
Rocket Launches w/ MDRA
Mr. Ratz
Rocket Launches w/ MDRA
4:23
Weather Balloon 2018-2019
Mr. Ratz
Weather Balloon 2018-2019
3:24
Fluid & Pressure - Unit Review
Mr. Ratz
Fluid & Pressure - Unit Review
9:04
Tennis Ball Cannon
Mr. Ratz
Tennis Ball Cannon
2:03
Hot Air Balloon Lift Off
Mr. Ratz
Hot Air Balloon Lift Off
3:36
Physics  - Friction Lab
Mr. Ratz
Physics - Friction Lab
8:22
Chemistry - Chameleon Effect
Mr. Ratz
Chemistry - Chameleon Effect
3:48
Chemistry - Single Replacement Lab with HCl
Mr. Ratz
Chemistry - Single Replacement Lab with HCl
4:44
Chemistry - Melting Snowball
Mr. Ratz
Chemistry - Melting Snowball
3:56
Chemistry - Electrolysis of Water
Mr. Ratz
Chemistry - Electrolysis of Water
4:11
Chemical Flame Test
Mr. Ratz
Chemical Flame Test
2:13
EASY Astronomy Crater Lab
Mr. Ratz
EASY Astronomy Crater Lab
4:10
Astronomy Unit in 10 minutes
Mr. Ratz
Astronomy Unit in 10 minutes
10:24
Science Luminosity Lab - Measuring a star's brightness
Mr. Ratz
Science Luminosity Lab - Measuring a star's brightness
5:31
Metric System - Using a meter stick and ruler
Mr. Ratz
Metric System - Using a meter stick and ruler
4:34
Metric System - Using a Graduated Cylinder
Mr. Ratz
Metric System - Using a Graduated Cylinder
5:26
Metric System - Using a Triple Beam Balance
Mr. Ratz
Metric System - Using a Triple Beam Balance
5:10
Unit 2 - Metric System - Part 2
Mr. Ratz
Unit 2 - Metric System - Part 2
12:29
Unit 2 - Metric System - Part 1
Mr. Ratz
Unit 2 - Metric System - Part 1
6:05
Summer Bobsled Run - Alberta Canada
Mr. Ratz
Summer Bobsled Run - Alberta Canada
2:07
Weather Balloon 2018
Mr. Ratz
Weather Balloon 2018
2:02
Weather Balloon 2016
Mr. Ratz
Weather Balloon 2016
2:05
Unit 1 - Scientific Inquiry & Scientific Method REVIEW
Mr. Ratz
Unit 1 - Scientific Inquiry & Scientific Method REVIEW
8:25
Weather Balloon 2015
Mr. Ratz
Weather Balloon 2015
2:56