What is the correct way to smell a chemical in the lab?
What is waft?
100
Which of the following is NOT a rule when writing a hypothesis?
A) It is an if/then statement
B) It is testable
C) it should restate the question
D) It is a prediction.
What is it should restate the question?
100
An instrument used to measure the volume of a liquid
What is a graduated cylinder?
100
The force responsible for producing heat from kinetic energy
What is friction?
200
Is it okay to mix two unknown substances together without being instructed by a teacher to do so.
Nope!
200
An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group.
What is a controlled experiment?
200
This property is measured using a triple beam balance.
What is mass?
200
Energy cannot be created nor destroyed but it can be transferred or transformed.
What is the Law of Conservation of Energy?
200
Density, volume and melting point are all examples of this. (Physical properties or chemical properties of matter)
What are physical properties of matter?
300
In what direction should you point the opening of a test tube when you are heating a substance?
Away from yourself and others
300
In an experiment, the one variable that is changed
What is an independent(manipulated) variable?
300
The unit of measure for length.
What is a meter?
300
These take place when you connect a motor to a battery with wires and a circuit.
What is an energy transformation?
300
Density is dependent on these properties.
What are mass and volume?
400
In an experiment, the factor that is measured.
What is a dependent(responding) variable?
400
The formula for density.
What is d=m/v?
400
This heat is generated by the movement of tiny particles within an object. The faster these particles move, the more heat is generated.
What is thermal energy?
400
The building blocks of matter.
What are atoms?
500
A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. This is the independent variable.