WorksheetsMidterm Science Quiz2
Total questions: 14
Worksheet time: 7mins
What is the first rule of the scientific method?
Collect and Analyze Data
Formulate a Hypothesis
Make Observations
State the Problem
What type of observation uses numerical values?
Hypothesis
Qualitative Observation
Inferences
Quantitative Observation
What is a hypothesis?
A final conclusion
An educated guess
A type of observation
A method of measurement
What does the independent variable represent in an experiment?
The factor that changes
The manipulated variable
The measured outcome
The constant factor
What is a control group?
The group with all similar variables except the independent variable
The group that is not tested
The group that is manipulated
The group with all variables changed
What is the definition of a molecule?
A single atom
Two or more atoms chemically combined
A type of mixture
A pure substance
Which state of matter has a definite shape and volume?
Liquid
Gas
Solid
Plasma
What is a characteristic of non-metals?
Lustrous appearance
Brittle and low density
High melting point
High conductivity
What is a solution?
A heterogeneous mixture
A pure substance
A type of compound
A homogeneous mixture
What does pH measure?
The volume of a solution
The temperature of a solution
The density of a liquid
How acidic or basic a liquid is
What is a concentrated solution?
Contains less solute
Contains more solute
Is always a solid
Is always a gas
What is the process of finding out how many measuring units are contained in an event or object?
Measurement
Observation
Hypothesis
Inference
What is the definition of a pure substance?
Contains multiple types of matter
Is a type of mixture
Contains only one kind of matter
Is always a solid
What is the characteristic of acids?
Slippery texture
High density
Sour taste
Bitter taste
