12 Questions
Which of the following is a characteristic of metals?
Malleable and ductile
Which of the following is a characteristic of non-metals?
Tend to gain electrons in chemical reactions
Which of the following elements is a metal?
Sodium
Which of the following best describes force?
A push or pull exerted on an object
What is pressure?
The force applied on a surface per unit area
How are force and pressure related?
Force can cause pressure on a surface
Which of the following best describes friction?
A force that opposes motion between two surfaces in contact
What factors affect the amount of friction between two surfaces?
Weight and shape
Which of the following is an example of static friction?
A person walking on a flat surface
Which of the following best describes friction?
A force that opposes motion between two surfaces in contact
What factors affect the amount of friction between two surfaces?
Surface area and shape
Which of the following is an example of kinetic friction?
A book sliding on a table
Study Notes
Metals and Non-Metals
- Metals are characterized by being shiny, good conductors of electricity and heat, malleable, and ductile.
Force and Pressure
- Force is a push or pull that causes an object to change its motion or shape.
- Pressure is the force per unit area on an object or surface.
Friction
- Friction is the force that opposes motion between two surfaces that are in contact.
- Factors that affect the amount of friction between two surfaces include:
- Surface area in contact
- Normal force (force perpendicular to the surface)
- Surface roughness
- Type of surfaces in contact
- Static friction is the frictional force that prevents an object from moving, and is greater than kinetic friction.
- Kinetic friction is the frictional force that opposes an object's motion, and is less than static friction.
- Examples of static friction include trying to push a heavy box, or trying to start a car on a hill.
- Examples of kinetic friction include a car moving on a road, or a block sliding on a table.
Test your knowledge on metals and non-metals with this quiz! Identify the characteristics of metals and non-metals, and determine which elements belong to the metal category. Challenge yourself and learn more about the properties of these important elements.
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