Vocabulary
Balance
What subatomic particle has a positive charge?
Proton
What is the speed?
Speed = ?????
Distance = 5 meters
Time = 3 seconds
1.66 m/sec
Is trail mix a pure substance or mixture?
Mixture
What is 2370000 in scientific notation?
2.37 x 106
Anything that has mass & occupies space
Matter
What subatomic particle has a negative charge?
Electron
What is the velocity?
Velocity = ???
Distance = 0.5 meters north
Time = 10 seconds
0.05 m/sec north
Is flammability of something a chemical or physical property?
Chemical
What is 0.00035 in scientific notation?
3.5 x 10-4
Where most of an atoms mass is located
Nucleus
What subatomic particle has a neutral charge & where is it located?
Neutron
Nucleus
What is the distance?
Speed = 1200 km/hr
Distance = ?????
Time = 6 hours
7200 meters
Is H2SO4 an element or compound?
Compound
What is 1.26 x 106 in expanded form?
1260000
A charged atom that has gained or lost electrons
Ion
What subatomic particles are located in the nucleus?
Protons & Neutrons
What is the time?
Speed = 72.00 m/sec
Distance = 25 meters
Time = ?????
0.35 seconds
Is cooking a chemical or physical change?
Chemical
What is the density of a sample with a mass of 82.55 g and a volume of 2.55 cm3?
32.37 g/cm3
Science of what matter is & how it reacts
Chemistry
What are the two types of ions & how do they differ?
Cation - positive charge
Anion - negative charge
Look at the distance time graph in google on a different tab .... What is the objects speed when it reaches the end of segment A?
6 meters / 2 seconds = 3 m/sec
Is going from an ice cube, to liquid water, to water vapor a physical or chemical change? Explain.
Physical - Each phase is still H2O.
What is the volume of a block with the following:
Length = 6.2 cm
Width = 39 cm
Height = 9 cm
2176.2 cm3