Show:
Matter
Mass, Volume, Density
Change
Forces and Motion
Energy
100
What is the name of the element with 15 protons?
Phosphorus
100
What is the difference between mass and weight?
What is mass is the measure of how much matter an object contains while weight describes how strongly gravity is pulling on that matter.
100
4. When you can observe the car windshield fog up during a cold day this is a. Boiling b. Melting c. Condensation d. Vaporization
condensation
100
What is the speed of a runner who finishes a 400 meter dash in 60 seconds?
6.6 m/s
100
23. The law of conservation of energy states which of the following? a. Energy can be created b. Energy can be destroyed c. Energy is unlimited d. Energy can be transformed from one form to another
d. Energy can be transformed from one form to another
200
What is it called when two or more atoms bond together or combine to make a new particle?
What is Molecule.
200
Find the volume of a cardboard box with a height of 12 cm, length of 15 cm, and width of 10 cm.
What is 1800 cm^3
200
What is the difference between a physical change and a chemical change?
What is a physical change is a change in the physical property but not the substance itself and a chemical change is a change of one substance into another substance.
200
Calculate the velocity of a car driving at 124 miles in 2 hours in the West direction.
62 miles/hour West
200
What type of energy is caused by vibrations of molecules?
Sound
300
15. On the modern Periodic Table, the elements are arranged in order of increasing? a. Atomic mass b. Atomic Number c. Mass Number d. Oxidation Number
b. Atomic Number
300
What is the density of a cube with a volume of 125 cm and a mass of 1,500 g?
12 〖g/cm〗^3
300
As water is turning into ice by freezing, the substance is a. Undergoing a physical change and its particles are moving farther apart. b. Undergoing a physical change and its particles are coming closer together. c. Undergoing a chemical change and its particles are moving farther apart. d. Undergoing a chemical change and its particles are coming closer together.
b. Undergoing a physical change and its particles are coming closer together.
300
27. If two students push a box with a force of 5 N in the opposite direction and there is no other unbalanced force on the box, what is the magnitude and direction of the net force exerted on the box? a. 0 N no movement b. 5 N to the left c. 5 N to the right d. 10 N up
0 N no movement
300
25. Which of the following is a form of potential energy? a. Running on a treadmill b. A skier at the top of a slope c. A roller coaster in motion d. Jumping up and down on a trampoline
B. a skier at the top of a slope
400
How many neutrons are in an atom of oxygen?
8
400
Which statement correctly describes both gases and liquids? a. Shape stays the same b. Shape changes when they are in different containers c. Volume stays the same d. Volume changes when they are in different containers
b. Shape changes when they are in different containers
400
Dissolving sugar in water is an example of a? a. physical change. b.chemical change. c. change in state. d. pressure change.
What is a. physical change.
400
Which of the following is not a type of acceleration? a. Speeding up b. Slowing down c. Moving at a constant speed d. Changing Directions
C. moving at a constant speed
400
What energy conversion happens when you start at the top of the roller coaster and go down a hill?
Potential to Kinetic
500
Draw a model of an atom. Include neutrons, protons, electrons, nucleus, and their charges.
Paul will check
500
A clay ball has a volume of 6 cm^3 and a mass of 15g. What is the density of the clay?
What is 2.5 g/cm^3
500
Which of the following form of energy is released or absorbed in most chemical reactions? a. Light energy b. Heat energy c. Sound energy d. Biomass
Heat Energy
500
What is the difference between speed and velocity?
Velocity includes speed and direction
500
List 5 different types of energy and describe them.
Paul will check