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