---
# System prepended metadata

title: FINAL REVIEW
tags: [Tutor]

---

FINAL REVIEW
===
###### tags: `Tutor`
[Link to Quizlet vocab](https://quizlet.com/quizlette7196436/folders/science-vocab?x=1xqt&i=4go422)

[TOC]

# TOPIC 3: Energy
### Lesson 1
- **Energy**
    - Measured in Joules (J)
- **Motion**
- **Force**
- **Work**
    - When you don't do work although exert force on object?
    - Formula: $$ \text{Work} = \text{Distance} \times \text{Force} $$
    - Unit?
- **Power**
    - Formula: $$ \text{Power} = \frac{\text{Work}}{\text{Time}} = \frac{\text{Distance} \times \text{Force}}{\text{Time}} = \frac{\text{Energy Transferred}}{\text{Time}} $$
    - Unit?
    - Larger power = More work in same time/ Same work in less time

### Lesson 2
- **Kinetic energy**
    - Of which?
    - Formula: $$ \text{KE} = \frac{1}{2} \times \text{Mass} \times \text{Speed}^2 $$
    - Unit?
- **Potential energy**
    - Of which?
    - 2 types of PE
    - Formula: $$ \text{GPE} = \text{Weight} \times \text{Height} = \text{Mass} \times \text{Gravitational Acceleration} \times \text{Height} $$ $$ \text{EPE} = \frac{1}{2} \times \text{Spring Constant} \times \text{Extension}^2 =\frac{1}{2} \times k \times e^2  $$
    - Unit?
- Examples of kinds of energy?
### Lesson 3
- **Mechanical energy**
    - Of object
    - Formula: $$ \text{Mechanical Energy} = \text{Potential Energy} + \text{Kinetic Energy} $$
- **Nuclear energy**
    - Can be released through *fusion* or *fission*
- **Thermal energy**
    - Of all particles in an object
    - Same formula as ME
- **Chemical energy**

- **Electrical energy**
     - Electricity: in KE form
     - When not moving: in PE form
- **Electromagnetic radiation**
    - Travel in waves
    - No need for medium

### Lesson 4
- **Energy transformation**
- **Energy transfer**
- **Law of Conservation of Energy**
    - Waves?

# TOPIC 4: Thermal Energy
### Lesson 1
- **Thermal energy** (mentioned above)
    - Also called **internal energy**
- **Heat**
    - When heat transfer/not transfer?
- **Temperature**
    - Of particles
    - Measured by thermometer
    - 3 scale?
- **Compare thermal energy**
    - Temperature
    - Nature of the matter
    - Amount of matter
- **Factor affect temperature changes**
    - Environment
    - Nature of the matter/matter
    - Amount of matter
### Lesson 2
- **Conduction**
    - Require direct contact
- **Convection**
    - Occur through movement of fluid (material that flows)
- **Radiation**
    - No need to contact
### Lesson 3
- **Conductor**
- **Insulator**
- **Specific heat**
    - Unit?
    - Formula: $$ \text{Energy Change} = \text{Mass} \times \text{Specific Heat} \times \text{Temperature Change} $$
- **Thermal expansion**
    - Expansion vs Contraction

# TOPIC 5: Waves and Electromagnetic Radiation
### Lesson 1
- **Wave**
    - Types: Mechanical wave & electromagnetic wave (based on what?), Transverse wave & Longitudinal wave (?)
    - Transfer what? Through?
- **Transverse wave**
    - Crest, trough and resting position
    - Amplitude
- **Longitudinal wave**
    - Rarefaction
- **Surface wave**
    - Combination of transverse and longitudinal
- **Properties**
    - Wavelength
    - Frequency (unit?)
    - Speed = Wavelenth * Frequency
- **Wave Energy**
    - Amount (input energy, frequency, amplitude square)
    - Transfer speed (faster vibration, amplitude)
    - Unit
### Lesson 2
- **Reflection**
    - Law of reflection?
- **Refraction**
- **Diffraction**
- **Absorption**
    - Explain in terms of energy
- **Wave Inteference**
    - Constructive Interference
    - Destructive Inteference
- **Standing Wave**
    - Produced by?
    - Nodes & Antinodes
- **Resonance**
    - Is resonance good or bad?
### Lesson 3
- **Sounds**
    - All sounds begin with?
    - Mechanical or electromagnetic?
    - Travel best through solids and liquids
    - Transverse or longitudinal?
- **Reflection**
- **Transmission**
- **Absorption**
    - How do people apply sound absorption in movie theatre?
- **Diffraction**
     - Why we can hear people talking in nearby rooms?
- **Factos Affecting the Speed of Sound**
    - Stiffness
    - Density
    - Temperature
*Note: Increase/Decrease in which case?*
- **Loudness & Pitch**
    - Loudness: affects by which factor, intensity, unit?
    - Pitch: affects by which factor
- **Doppler Effect**
    - Try to reexplain the cause of effect


***Note: Lesson 4 & 5 chỉ ôn các khái niệm là chính (đề sẽ ra dưới dạng reading task)***
### Lesson 4
- **Electromagnetic Waves**
    - Transfer through?
    - Different from mechanical waves at what point?
    - Example
- **Wave Model**
    - Light is transverse or longitudinal?
    - Explains which phenomenon?
- **Particle Model**
    - Photoelectric effect
    - Photon
    - Explains which phenomenon?
- **Wavelength & Frequency**
    - All electromagnetic waves have same speed in vacuum but different wavelength & frequency
    - How wavelength, frequency and energy are related?
- **Elegtromagnetic Spectrum**
    - Radio Waves
    - Microwaves
    - Infrared Rays
    - Visible Lights: which colors?
    - Ultraviolet Rays
    - X-rays
    - Gamma Rays
*Note: remember application of each type*
### Lesson 5
- **Light Color & Objects** (mentioned above)
    - How materials can be classified?
    - Transparent
    - Translucent
    - Opaque
- **Color of Objects**
    - White light
    - Why do we see an object has colors?
- **Color Filters**
    - Application?
- **Reflecting Light**
    - Reflection of light
    - Regular reflection
    - Diffuse reflection
- **Difference between real image and virtual image**
- **Mirror Images**
    - 3 types of mirrors
- **Convex Mirrors**
    - Shape
    - Image characteristics?
    - Focal point
    - Optical axis
- **Concave Mirrors**
    - Shape
    - Focal point
    - Image characteristics?
- **Lenses**
- **Convex Lenses**
    - Shape
    - Image characteristics?
    - How to draw image?
- **Concave Mirrors**
    - Shape
    - Image characteristics?
    - How to draw image?

# TOPIC 10: Forces and Motion

### Lesson 1
- **Motion**
    - Why motion is said to be relative?
- **Reference point**
- **Force**
    - 2 factors of a force?
    - 2 types of force and example
    - Balanced vs Unbalanced forces
    - Net force
### Lesson 2
- **Speed**
    - Formula: $$ \text{Speed} = \frac{\text{Distance}}{\text{Time}}$$
    - Unit: m/s
    - 2 types of speed
    - How to calculate speed from a distance-versus-time graph
- **Velocity**
    - 2 factors of velocity
- **Acceleration**
    - When an object has acceleration?
    - Formula: $$ \text{Acceleration} = \frac{\text{Final speed} - \text {Initial speed}}{\text{Time}}$$
    - Unit: $\text{m}/\text{s}^2$
    - How to calculate acceleration from distance-versus-time or speed-versus-time graph?
### Lesson 3
- **First Law**
    - Inertia
    - What affects inertia of an object?
- **Second Law**
    - Formula: $$\overrightarrow{\text{F}} = m \times \overrightarrow{a}$$
    - Unit of each element?
- **Third Law**
    - Strength/Direction of action force vs. reaction force?
    - Are action force and reaction force balance? Why?