Which of the following is not a physical property?
Color, Flammability, Texture, Melting Point
Flammability
What is the formula for density?
D=M/V
What charges do protons, neutrons, and electrons have?
Protons: Positive
Neutrons: Neutral
Electrons: Negative
This state of matter has molecules that are moving very fast, are very spread out and have weak bonds.
Gases
Where would you find the Sea of Tranquility?
The moon!
Is water (H2O) an element, compound or mixture?
Compound
How would you label the density of an object with a mass in kilograms (kg) and a volume in milliliters (ml)?
kg/ml
Which part of the atom moves around the outside of the nucleus?
Electrons
What happens to molecules if the temperature increases?
They speed up.
What team is the best team in the NFL?
Chiefs!
_______ changes occur when bonds form between atoms, or when bonds break and new bonds form.
Chemical
A plastic box is 15 cm long, 9 cm wide, and 4 cm high. What is its volume? Don't forget units!
540 cm3
What two subatomic particles are found in the nucleus?
Protons and Nuetrons
According to Boyle's Law when pressure increases, volume...
Decreases
Who was the 35th President of the United States?
John F. Kennedy
Which of the pictures represents a mixture?
A
What is the density of an object with a mass of 500g and a volume of 50 ml?
10g/ml
What is the center of an atom called?
Nucleus
This state of matter has no definite shape, but a definite volume.
Liquid
Which bird is the national bird of the Bahamas?
American Flamingo
Give me an example of an element, compound, and mixture.
Oxygen, Water, Trail Mix
Water: 1g/ml
Oil: 0.93 g/ml
Aluminum: 2.7 g/ml
Alcohol: 0.78 g/ml
Which substance will float to the top and which will sink to the bottom?
Alcohol: Float to the top
Aluminum: Sink to the bottom
Tell me the element's: atomic number, atomic symbol, atomic mass, number of protons, number of neutrons, and number of electrons.
Atomic Number: 19
Atomic Symbol: K
Atomic Mass: 39.098
Protons: 19
Neutrons: 20
Electrons: 19
You leave your basketball outside over a cold fall night. You go outside in the morning to play some basketball but the ball is flat. Later that day, it is full again. Which law describes why this happened?
Charles' Law
What is the military communication word for the letter R?