Show:
Questions
Responses
Print
Measurement
Scientific Method
Elements
Labs and Activities
Chemical Reactions
100
The basic unit of mass in the metric system
What is gram?
100
The first step in the scientific method
What is what is problem statement or ask a question?
100
This is the same as the number of protons and electrons in an atom
What is the atomic number?
100
Two elements that were collected in "Breaking Down a Compound"
What are hydrogen and oxygen?
100
Evidence of chemical reactions shown when mixing calcium chloride, baking soda and water (2)
What is gas and heat being produced?
200
Piece of science equipment used to measure volume of liquids
What is a graduated cylinder?
200
An educated guess
What is a hypothesis?
200
The second element in the periodic table
What is helium?
200
Ingredient used in three of the four polymer recipes
What is Borax?
200
Evidence of chemical change shown when mixing two solutions and pouring them into a petri dish
What is new substance or precipitate being formed?
300
This is how you find volume of a cube or box
What is length x width x height?
300
The third step in the scientific method
What is making a hypothesis?
300
The outside shell electrons are also known as this
What are valence electrons?
300
Law that was demonstrated by using vinegar, baking soda and a balloon
What is Law of Conservation of Matter or Mass?
300
Part of an atom involved in chemical reactions
What is an electron?
400
The method for finding volume of of irregularly shaped objects such as rocks
What is water displacement?
400
The step of the scientific method that comes after statement of problem
What is research?
400
The maximum number of electrons in the first shell or orbital
What is two?
400
Electrodes are made of this
What is metal?
400
This column on the periodic table contains the most chemically reactive elements
What is the first column?
500
Equation for finding density
What is mass/volume?
500
This is done in the analysis and conclusion step of the scientific method
What is discuss your hypothesis?
500
The maximum number of electrons in the third shell or orbital
What is eight?
500
Electrolytes are made of these
What are acids?
500
This column on the periodic table contains the least chemically reactive elements
What is the last column?