Physical & Chemical
Name 2 acids
Coffee, Cola, Lemon, orange & tomato juice, Stomach acid, Vinegar
What science word means the amount of space an object takes up and is measured by length, width, and height?
Volume
This determines an object's ability to sink or float
Density
What do you call a prediction or educated guess that can be tested about how an experiment turns out?
Hypothesis
Which liquid is denser: maple syrup or olive oil?
Maple syrup
Name 2 bases
Baking soda, Bleach, Drain/Oven cleaner, Hand soap
What is a chemical reaction that releases heat called?
Exothermic
This is anything with mass or volume
Matter
This is information or facts gathered during an experiment
Data
Describe why a bowling ball sinks in water
it's mass is GRATER than it's volume
What type of change is a rotting banana?
Chemical
What is a chemical reaction that releases cold called?
Endothermic
Magnetism is what kind of property of matter?
Physical
This is the careful watching of something using the 5 senses
Observations
What did our ziplock baggies fill up with when we did the vinegar/baking soda experiment?
Gas - CO2
What type of change is shredding paper?
Physical
What system do chemists use to organize the elements?
Periodic Table
How do you describe a solid?
Definite shape and size
These are things that can change or affect the outcome of an experiment
Variables
Who is the famous scientist who said E = Mc^2?
Albert Einstein
What kind of change is happening when matter’s shape is changed but not its structure, and it can change back.
Physical
What is the basic unit of all matter called?
Atom
Name all of the properties of matter
Mass, volume, weight, and density
Name all 5 steps of the scientific method
1. observations 2. hypothesis 3. experiment 4. data 5. conclusions
How many numbers are on the pH scale?
14