This is a description of an object or event using your senses.
What is an observation.
100
The amount of atoms inside of an object.
What is mass
100
The basic unit of measurement in the metric system.
What is the gram.
100
Any substance that forms hydroxide in a water solution and accepts hydrogen ion from acids is this.
What is a base.
100
This stands for potential hydrogen.
What is pH.
200
Smell, sight, touch, taste and hearing are these.
What are your 5 senses.
200
The measure of the pull of gravity on an object's mass.
What is weight.
200
This is a tool used to measure weight.
What is a scale.
200
Slippery, tastes bitter, corrosive, may cause burns and will react with indicators to produce changes in color.
What are some properties of bases.
200
The pH scale ranges from these numbers.
What is 0-14.
300
This is a logical conclusion based on an observation.
What is an inference.
300
Both of these are the same on earth and therefore use the same unit.
What are mass and weight.
300
Mass is the amount of this inside of an object.
What are atoms.
300
A substance that has at least 1 hydrogen atom that can be removed in water.
What is an acid.
300
The two fold difference between one number and the one next to it is called this.
What is logarithmic.
400
This is a personal preference.
What is an opinion.
400
This doesn't change no matter where it is in the universe.
What is the mass of an object.
400
A triple beam balance is used to measure this.
What is mass.
400
Tastes sour, may produce painful burns, corrosive, will react with certain metals forming metallic compounds and hydrogen gas and will react with indicator to produce changes in color.
What are some properties of acids.
400
A value of 7 on the pH scale would make the substance this.
What is neutral.
500
If someone just bought a pumpkin, they must be making a pumpkin pie.
What is an inference.
500
This DOES change, depending on where it is in the universe.
What is weight.
500
True or False. A person would weigh the same on the moon as on planet earth.
What is FALSE
500
Name two common bases and two common acids.
What are egg whites, baking soda, antacids, soap, ammonia or citrus fruits, yogurt, buttermilk, the vinegar in pickles, stomach acid.
500
A base can fall anywhere between these numbers on the pH scale.