The speed of an object and the direction of its motion.
What is Velocity?
An object at rest stays at rest or an object in motion stays in motion unless acted upon by an unbalanced force.
What is Newton’s 1st Law?
Energy and object possesses due to its motion.
What is Kinetic Energy?
The state of matter that is characterized by having no definite shape but has a definite volume.
What is a liquid?
The Periodic Table is organized into rows and columns. The columns on the periodic table are called………………, and the rows are called……………….
What are groups/families, periods.
The total distance traveled divided by the total time of travel.
What is Average Speed?
To every action there is an equal and opposite reaction.
What is Newton’s 3rd Law?
Stored energy due to position.
What is Potential Energy?
Burning is a type of ……………………. Change.
What is chemical ?
Groups tell us this information about the atoms within that group.
What are quantity of valence electrons?
The distance and direction of an object’s change in position from the starting point.
What is Displacement?
The relationship among mass, force, and acceleration is explained by which of Newton’s Laws?
What is Newton’s 2nd Law?
A woman weighs 70 Kg and is preparing to skydive. Her altitude is 4,000 m in the plane. What is her potential energy at the instant before she leaps out of the plane as she stands inside of it?
2,744,000 J
True or false:
A physical change brings about a different form of the same substance, whereas a chemical change forms a different substance.
What is True?
The strength of an atom’s attraction for the electrons in a chemical bond.
What is electronegativity?
This force causes projectiles to follow a curved path on Earth.
What is Gravity?
How much force is needed to accelerate a 66 Kg skier at 2m/s2?
132 N
A man 100 Kg is walking down the hallway at a speed of 7 m/s. What is this man’s kinetic energy as he travels?
2,450 J
The state of matter is the most compressible.
What is a gas?
When the energy in a wave increases, what happens to the frequency.
It increases.
A snail is a very slow moving animal. Its average speed is 0.001 m/s. How long will it take the snail to travel 2.1 m?
2100 seconds
A force of 20 N acts upon a 5 Kg block. Calculate the acceleration of the object.
4 m/s2
A car moves 50 m down the road in 20 seconds and has 93,750 J of energy. What is the mass of the car?
30,000 Kg
Explain the characteristics of each type of STATE OF MATTER.
IN A liquid particles are packed close together and move slow; in a gas particles are far apart and move quickly, in a solid particles are packed extremely close together and vibrate.
The first isotope has a mass of 151 Amy with a relative abundance of 48.03% and the second isotope has a mass of 153 amu with an abundance of 51.97%. What is the average atomic mass of the element?
152.04 amu