Periodic Table
What element is represented with the symbol Na?
Sodium
Newton's 3rd law states
It is below 7 on the pH scale
Acid
Light travels fastest in
gases
Heat energy from the Sun is transferred to Earth primarily by what process
Radiation
How many electrons does an atom of Beryllium have?
4
The tendency of a stationary object to resist being put into motion is known as
inertia
changes of state, dissolving, breaking, ripping, tearing are examples of
physical change
What does frequency mean when dealing with waves. The greater the frequency, the ________________
the more energy the wave carries
Electrical energy may sometimes be converted to mechanical energy. Which of these appliances is example of this.
Fan, lamp, radio, stove
fan
The atomic number represents the number of ______
protons
Give an example of a contact force
friction
A teaspoon of dry coffee crystals dissolved when mixed in a cup of hot water. This process produces a coffee solution. The original crystals that are dissolved are known as a
solute
A spoon appears to be broken when it enters the water because
the light is bent by the water (refraction)
A car and truck moves on a road in the same direction and speed. Both vehicles slow down with the same stopping force. It takes the truck more distance to stop than the car. Which Newton's Law does this represent?
2nd
The number of protons and neutrons an element has is known as an element's ___________?
Atomic Mass
This will change depending on how much gravity is acting upon it
weight
production of an odor, production of light, a new material is formed are examples of
chemical changes
Astronauts on the Moon would not be able to hear a landslide because
air molecules on the Moon are too far apart to carry sound
Two students are pushing on a cart. Student A is pushing to the right with 200 N and student B is pushing to the left with 150 N. What is the net force being exerted on the cart (include the direction the cart will move)
50 N to the right
How many neutrons does an atom of the element Aluminum have?
14
To increase an objects gravitational potential energy you would need to increase its
Distance from earth's surface (height above the ground)
What type of mixture is sugar dissolved in water
homogeneous mixture
The measurement from 1/2 the height of the wave to its crest is known as
amplitude
Where on the periodic table are the non metals located?
far right