What is the AREA of a piece of paper with the length of 25cm and the width of 20cm?
What is A = l x w, 500cm2
100
What units are MASS measured in?
What is grams, kg
100
In an experiment, the one variable that is changed by the investigator on purpose is called the
What is INDEPENDENT
100
The smallest particle and building block of matter is...
What is an atom.
200
What should you do if you are not sure what you should be doing during a lab activity?
What is ask the teacher.
200
What is the formula for finding the VOLUME of a SOLID object?
What is V = l x w x h, cm3
200
How do you find the volume of an irregular shaped object?
What is water displacement
200
In an experiment, the factor or variable that we measure is called the
What is DEPENDENT variable
200
Is EVAPORATION an example of a CHEMICAL or PHYSICAL change and WHY?
What is Physical, no new substance is formed.
300
When is it appropriate to tie back long hair and/or baggy clothes?
What is When using flame or chemicals in the lab.
300
What TOOLS are used to measure liquid VOLUME and what UNITS do we use to measure liquid volume?
What is graduated cylinder, beaker, pipette; mL, L
300
Explain QUALITATIVE vs. QUANTITATIVE
What is Qualitative - physical descriptions of data, Quantitative - numbers, charts, graphs
300
Another name for INDEPENDENT and DEPENDENT variable
What is MANIPULATED and RESPONDING
300
The mass of the substances reacting to one another is what to the mass of the substances produced after a chemical reaction?
What is equal to/the same as
400
How do you dispose of chemicals in the lab?
What is ask the teacher.
400
How do you find the DENSITY of an object and what is the correct unit?
What is D = m/v, g/cm3
400
What do we call the series of steps designed to help you solve problems and answer questions in science?
What is Scientific Method
400
The INDEPENDENT variable goes on which axis? The DEPENDENT variable goes on which axis?
What is INDEPENDENT - x-axis, DEPENDENT - y-axis
400
List the products or results that indicate a chemical reaction has occurred:
What is color change, formation of gas, change in temperature, formation of a solid, light is given off
500
What TOOLS are used to measure LENGTH?
What is meter stick, ruler
500
What is MASS and how do we measure it?
What is how much matter an object is made of; triple beam balance.
500
What is the correct format for writing a hypothesis?
What is IF...THEN...
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. In this experiment the DEPENDENT variable is....
What is The number of plants that can live.
500
Using only one word, give 5 common PHYSICAL changes
What is tearing/cutting, shaping, boiling, melting, freezing