What is the type of energy being displayed when water begins to fall off the mountain top and into the river?
What is kinetic energy
100
Identify which one is the compound?
What is Fe NACA NaCl
100
what kind of change happens when a bike is left out in the rain for several days?
What is chemical change due to rusting
100
Explain how potential energy and kinetic energy are similar in that both...
Can each be converted into the other form
100
Calculate this...Juan lives 100 meters away from Joe. What is Juan's average speed if he reaches Joe's home in 50 seconds?
What is 2 m/s
200
When the Dallas Cowboys caught the football, Demarco Murray holds the ball to prevent a fumble he displayed what type of energy
What is potential energy
200
What are the 4 rules for writing an chemical symbols of an element?
Always print
1st letter capitalized
2nd letter lower case
never write in cursive
200
Sue mixed chemicals in a bottle and put a balloon on it. As the chemicals reacted the balloon inflated. Explained what took place?
What is a chemical change took place in the bottle because it produced a gas which was trapped by the balloon.
200
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?
What is more potential energy
200
What is a physical property used to describe how the surface of a mineral reflects light?
What is luster
300
What is the energy transformation in a flashlights batteries called?
What is chemical energy
300
The periodic table is split into 3 sections and the elements are classified as either being?
What is metals, nonmetals, metalloids
300
If 1 gram of ice melts into 3 mL of water then 2 grams of ice makes 5mL. How much water will 3 grams of melted ice make?
What is 7 mL of water
300
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?
when she is at the top of the roller coaster
300
****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?
What is:
1- the minerals STREAK.
2- a shiny, metallic minerals
400
Complete the flow of energy transformation from a cell phone as you are using your cell to call your girlfriend?
CHEMICAL to ELECTRICAL to________________?
What is radiant or light energy
400
Identify the reactants and product of the chemical reaction
H+O -->H2O
What is reactant is H+O and the product is H2O
400
A marble sitting at the top of a ramp has what type of energy?
What is potential energy
400
What is measuring how quick or slow an object changes position?
What is speed
400
What can cause an object (car) to start moving, stop moving, or change direction?
What is unbalanced forces
500
Explain the energy transformation on eating a roasted marshmallow.
What is CHEMICAL (food), MECHANICAL (put marshmallow on a stick), THERMAL (heat from fire), MECHANICAL (eating)
500
Classify the reactants as either elements and or compounds in the chemical reaction given.
What is CO+H -->CH+O
500
potential energy decreases and kinetic energy increases
What is potential energy decreases and kinetic energy increases.
500
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?
What is 2.5 m/s ...because 20 m divided by 8 sec= 2.5 m/s
500
Example pulling 400 gram weights up a ramp attached to a spring scale.
What are equal forces that act on an object in opposite directions.