This video explains the concept of charging by friction. The video presents experiments and demonstrations to show how two insulators become charged and how opposite charges attract while like charges repel each other. The video also...

Understand the relation between place values as multiplication by 10.

A nuclear power plant creates energy that turns water into steam. The steam turns a turbine that is connected to a generator that produces electricity. Meanwhile, the steam is converted back to water and returned to the reactor core....

Use base-ten blocks to represent division.

We've been looking at bacteria for a few centuries now, so how do we categorize them? We love to classify things and put them in groups, so how does that work for bacteria? Well let's learn about Gram-staining, antigens, other phenotypic...

Multiples of 10.

This video provides a concise explanation of color blindness, describing how it affects a person's ability to see certain colors and the role of cones in the eye. It also explains the different types of color blindness and the causes of...

The human eye is a wonderful feat of evolution. We can see tiny specks and huge mountains. We can see in the dark and we can also see hundreds of shades of bright, vibrant colours. So how does the eye work? The eye contains special cells...

In this video lesson, students learn how to represent numbers using base 10 blocks. They are shown two different models for each number and taught how to break down the blocks to show the value of each digit.

In this video, students learn how to model and write numbers using base 10 blocks and a place value chart. They are guided through examples of different three-digit numbers and shown how to determine the value of each digit.