Show:
Types of Energy
Chemical and Physical Changes
Solids, Liquids, and Gases
Motion and Design
Random
100
What is the flow of energy as an apple falls from a tree and hits the ground?
Potential - Kinetic - Potential
100
What type of change is happening if an ice cube melts after sitting in a cup for an hour?
Physical change
100
What is the point of change from solid to liquid?
melting point
100
If a group of students are investigating motion using a toy car, a ramp, and a milk carton. They place the empty milk carton at the bottom of the ramp. At what position on the ramp should they place the car to get the milk carton the farthest?
If the car is placed at the top of the ramp
100
What is the best tool for a scienctist to observe the process of rust?
Hand lens
200
A student has made a toy out of coil wire and places the toy at the top of the stairs. The toy can travel down each step, end-over-end like a slinky. Which type of energy does the toy have when it is placed at the top of the stairs?
Potential energy
200
What is an example of a physical change? a.) burning logs to ashes b.) heating water to steam c.) soaking nails to rust d.) baking dough to cookies
b.) heating water to steam
200
What is the point of change from a liquid to a solid?
freezing point
200
What is happening if a student rolls 4 different balls with the same amount of force, which ball will roll the farthest? Ball 1 = 500 grams Ball 2 = 900 grams Ball 3 = 700 grams Ball 4 = 300 grams
Ball 4
200
What causes objects to be attracted to Earth?
What is Gravity
300
Jenny placed a marble on a ramp. At which position on the ramp will the marble have the most potential energy?
At the top of the ramp
300
What is the best explanation of why the temperature of an ice pack decreases when the liquid and powder combine?
A chemical change occurs.
300
What is the process that takes place when liquid water changes into water vapor?
evaporation
300
A force of an object or pull between two objects is?
What is gravity
300
What is the process that most likely transfers heat from a campfire?
radiation and convection
400
What is the energy of motion called?
Kinetic energy
400
What is the best example of a chemical property? a.) the ability of a log to float b.) the ability of a paperclip to bend c.) the ability of a nail to rust d.) the ability of a glass to break
c.) the ability of a nail to rust
400
What is happening if a student placed two different liquids into a freezer for 8 hours and one of the liquids became a solid while the other one remained liquid?
One liquid freezes at a different rate than the other liquid
400
Jeff drops an aluminum ball and an equally massed aluminum sheet with greater surface area, from the same height. Which one drops slower and why?
The aluminum sheet because air pushes up on the sheet with greater friction than the ball.
400
What is the best description of the weather on a hot summer day with the wind blowing from the ocean toward the land?
warm and humid
500
The ability for an object to have energy is known as which type of energy?
Potential energy
500
What is called when a new substance is formed as a result of the change?
A chemical change
500
The same amount of ice is added to four different cups. Which cup will the ice melt the fastest? a.) hot water cup b.) cold water cup c.) warm water cup d.) no water
a.) hot water cup
500
The force of gravity depends on which two things?
mass and distance
500
Water in a bowl by a window on a sunny day evaporates more quickly than the same amount of water in a similar bowl in a dark room. Why does this occur?
The water in the bowl in the dark room remains cool while the water in the bowl by window heats up.