A substance or a mixture of substances is known as this.
What is matter?
2 or more elements can combine to form these
what are compounds
Scattering of light beam as it passes through a colloid is known as this effect
What is Tyndall effect
Attraction to a magnet by iron is considered this
physical property
The smell of rotten eggs and the formation of rust on bikes or fenders are signs that this type of change has occurred.
Chemical change
All substances are made from these
atoms
Salad dressings are an example of these, which are composed of 2 or more substances that can be separated by physical means
what is a mixture
A mixture that remains constant and uniform is considered to be this type of mixture
Homogeneous mixture
When a substance such as water, freezes, boils, evaporates, condenses, it is undergoing this type of change
physical change
The forces of nature continuously shape earth's surface is considered this
weathering
This is a substance made up of all the same elements
what is an element
A mixture in which 2 different materials remain distinctly different is this type of mixture
what is heterogeneous
A homogeneous mixture can also be called this. (Answer to certain math problems)
Solution
Process of separating substances such as salt and water, in a mixture by evaporating a liquid and recondensing its apor is known as this
Total mass of reactants = total mass of products refers to this law
Law of conservation of mass
This strong and lightweight metal is used for airplane construction and bone replacements.
What is titanium
This is a heterogeneous mixture made of a liquid and solid particles that settle.
What is a suspension
A soft drink is considered this type of mixture
homogeneous mixture
A substance being flammable is this type of property
chemical property
When large rocks split due to water molecules freezing in cracks and causing breakage is this type of weathering
physical
Aprons are made of this element that helps stop radiation from x-rays
What is lead?
Unlike a suspension, this type of mixture will not settle. This can be obvious when light passes through it and can be seen.
What is a colloid
Any characteristic that you can observe without changing the identity of a substance is considered this.
A physical property
Medicines or chemicals stored in black or dark bottles is to protect them from exposure to this
Light
Limestone reacting with acid rain is considered this type of weathering
chemical weathering