Sig Figs
This number, 3050, has this many significant figures.
What is 3?
A milliliter is equal to this volume in liters.
What is 0.001 L (or 1/1000 of a liter)?
Matter is anything that has mass and takes up this.
What is space?
Melting ice is an example of this type of change.
What is a physical change?
A mixture that is the same throughout, like salt water, is called this.
What is homogeneous?
Zeros at the end of a number after a decimal point are considered this.
What are significant?
Convert 0.045 kilometers to meters.
What is 45 m?
The three most common states of matter.
What are solid, liquid, and gas?
Rusting of iron is an example of this type of change.
What is a chemical change?
A mixture that is not uniform throughout, like a salad, is called this.
What is heterogeneous?
The number of significant figures in 0.004560.
What is 4?
The number of miles in 6.20 km?
What is 3.85 miles?
The state of matter with definite volume but no definite shape.
What is liquid?
The fizzing when baking soda reacts with vinegar shows this type of change.
What is a chemical change?
Air in this classroom is an example of this type of mixture.
What is a homogeneous mixture?
The number of significant figures in 1.020 × 10³.
What is 4?
What is the speed in cm/s of 4.00 km/h?
What is 111 cm/s?
At extremely high temperatures, matter exists as this fourth state.
What is plasma?
Grinding a rock into powder is this type of change.
What is a physical change?
Oil and water form this type of mixture when combined.
What is heterogeneous (or an emulsion)?
The rule for multiplying and dividing is that the answer must have this.
What is the same number of significant figures as the least precise measurement?
This is the prefix meaning one-millionth.
What is micro-?
The law that states matter cannot be created or destroyed.
What is the Law of Conservation of Mass?
Burning wood is a chemical change because of this reason.
What is new substances are formed (ash, gases)?
The process used to separate a solid from a liquid in a heterogeneous mixture.
What is filtration?