• Resource ID: R4SCI0037
• Subject: Science

### Properties of Soil

A Tier 1 earth science instructional resource for grade 4.

• Resource ID: SE111001
• Subject: Science

### 3.01 Distance and Displacement

In this video, we explore the difference between distance traveled (an example of a scalar) and displacement (an example of a vector), and we review some basic vector math.

• Resource ID: SE111002
• Subject: Science

### 3.02 Average Speed and Average Velocity

In this video, we explore the difference between speed and velocity, and their relationship to distance and displacement.

• Resource ID: SE111003
• Subject: Science

### 3.03 Kinematic Equations in One Dimension

In this video, we introduce the three primary kinematics equations and apply them to one-dimensional problems. The term "acceleration" is also introduced.

• Resource ID: SE111004
• Subject: Science

### 3.04 Kinematic Equations Graphical Analysis

In this video, we analyze hypothetical experiments by graphing position, velocity, and acceleration versus time, qualitatively.

• Resource ID: SE111005
• Subject: Science

### 3.05 Kinematic Equations in Two Dimensions

In this video, we apply the three primary kinematic equations to projectile motion problems.

• Resource ID: SE111006
• Subject: Science

### 3.06 Relative Motion

In this video, the inherent (classical) relativity of velocity measurements is explored, qualitatively and quantitatively, in both one and two dimensions.

• Resource ID: SE071002
• Subject: Science

### 10.01 Wave Nature of Light

In this video, we will study the wave-like properties of light.

• Resource ID: SE071003
• Subject: Science

### 10.02 Particle Nature of Light

In this video, we will study the particle-like properties of light.

• Resource ID: SE071006
• Subject: Science

### 6.01 The Mole

In this video, we will study the mole and its applications in chemical calculations.

• Resource ID: SE071007
• Subject: Science

### 6.02 Percent Composition

In this video, we will calculate percent composition or mass percent and various applications.

• Resource ID: SE071008
• Subject: Science

### 6.03 Empirical and Molecular Formulas

In this video, we will learn the difference between an empirical and molecular formula and how to find them.

• Resource ID: SE071009
• Subject: Science

### 6.04 Balancing Equations

In this video, we will learn how to balance chemical equations using the law of conservation of matter.

• Resource ID: SE071010
• Subject: Science

### 6.05 Stoichiometry with Balanced Equations

In this video, we will apply stoichiometric concepts to balanced equations in order to determine mass relationships within reactions.

• Resource ID: SE071011
• Subject: Science

### 6.06 Limiting Reactants and Percent Yield

In this video, we will investigate limiting reactants and how they affect chemical reactions

• Resource ID: SE111007
• Subject: Science

### 6.01 Classifications of Waves

In this video, we explore the two fundamental categories of waves and give physical examples of each.

• Resource ID: SE111008
• Subject: Science

### 6.02 Properties of Waves

In this video, we define the fundamental quantities associated with waves, including frequency, period, amplitude, and speed.

• Resource ID: SE111009
• Subject: Science

### 6.03 Sound Waves

In this video, we explore how the mathematics and concepts of waves apply to a specific type of wave: sound.

• Resource ID: SE111010