What is the type of energy being displayed when water begins to fall off of the mountain top and into the river ?
100
Fe NACA NaCl
which one is the compound?
100
when energy can not be created or distroyed
what is the law of conservation of energy?
100
potential energy
A marble sitting at the top of a ramp has what type of energy?
100
speed
What is measuring how quick or slow an object changes position?
200
potential energy
When the Dallas Cowboys caught the football, Demarco Murray holds the ball to prevent a fumble he displayed what type of energy?
200
always print, 1st letter capital, 2nd letter lower case, never write in cursive
What are the 4 rules for writing an chemical symbols of an element?
200
chemical change due to rusting
What kind of change happens when a bike is left out in the rain for several days?
200
potential energy decreases and kinetic energy increases
As a boulder rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?
200
2.5 m/s..because 20m divided by 8 sec = 2.5 m/s
Students the equation to find average speed is..average speed = distance divided by time. A duck swimming underwater goes 20 meters in 8 seconds. What is its average speed?
300
chemical energy
What is the energy transformation in a flashlights batteries called?
300
metals, nonmetals, metalloids
the periodic table is split into 3 sections and the elements are classified as either being?
300
can each be converted into the other form
Explain how potential energy and kinetic energy are similar in that both...
300
2 m/s
Calculate this..Juan lives 100 meters away from Joe. What is Juan's average speed if he reaches Joe's home in 50 seconds?
400
radiant or light energy
complete the flow of energy transformation from a cell phone as you are using your cell to call your girlfriend?
chemical to electrical to __________?
400
reactant is H+O and the product is H2O
Identify the reactants and product of the chemical reaction;
H+O-->H2O
400
A chemical change took place in the bottle because it produced a gas which was trapped by the balloon.
Sue mixed chemicals in a bottle and put a balloon on it. As the chemicals reacted the balloon inflated. Explained what took place?
400
more potential energy
A truck is parked at the bottom of a hill. It moves from the bottom of the hill and parks at the top, Compared to when it was parked at the bottom of the hill at its new position, the truck now has what type of energy?
400
luster
What is a physical property used to describe how the surface of a mineral reflects light?
500
chemical (food), mechanical (put on a stick), thermal (heat from fire), mechanical (eating)
Explain the energy transformation on eating a roasted marshmallow.
500
CO + H --> CH + O
classify the reactants as either elements and or compounds in the chemical reaction given.
500
7 mL of water
If 1 gram of ice melts into 3 mL of water then 2 grams of ice makes 5 mL. How much water will 3 grams of melted ice make?
500
when she is at the top of the roller coaster
Kate is riding the GIANT Roller coaster at 6 flags..as she is rolling up and down the hill from the top of the track to the bottom of the track at what point of her ride does she have the GREATEST potential energy?
500
1- the minerals STREAK.
2- a shiny, metallic minerals
********2 part question*******
1- Leo is testing a mineral using a streak plate and rock. What is he testing for?
2- Leo is shining a light on several different types of mineral samples. Which type of mineral should he expect the greatest luster?