Definitions
What is the definition of a battery
A small container that stores chemical energy and gives electrical energy
All of the following are things that use electrical energy traveling in a closed path to produce some amount of light energy EXCEPT
A tv B computer C. air conditioner D microwave
A air conditioner
Give me an example of an object that transforms electrical energy into sound energy?
radio, tv, speaker
Which type of force will not change the motion of an object?
Equal forces
Students are exploring how to create a simple circuit. What materials are needed to create a working simple circuit?
B
What is the definition of a variable
an element, feature, or factor that is liable to vary or change.
Why do pickles inside a glass jar appear bigger than they actually are?
The light refracts as it passes through the glass of the jar.
Water evaporates due to ____ energy from the sun
Thermal
A tennis player just hit the ball with their racquet. Select the two statements that are true.
C and E
When electrical energy flows in a circuit, it can transform into other forms of energy. Select the forms of energy that can be produced in a complete electric circuit.
All but solar. Only giving points for correct answers
What is the definition of Absorption
The transfer of energy into a medium
What term describes how light speeds up, slows down, or bends when passing through an object?
Refraction
Describe the energy transformation for making toast
electrical->thermal
A batter hits a baseball. The batter applied EQUAL or UNEQUAL force which caused a change in motion to the ball and a transfer of energy.
Unequal
A student compares the physical properties of a plastic cup, a rock, and an eraser. Which of these physical properties do the objects have in common?
They all conduct electricity.
B
What is the definition of Reflection
The bouncing of energy waves off of a surface
Objects look different when they are viewed through water because the light waves that travel through water are ________.
Bent
Describe the energy transformation of a windmill
Mechanical-> electrical
Design a simple experiment that tests the effect of force on an object.
Points awarded based off of design
A student prepared a snack of raspberries, blueberries, almonds, and powdered sugar. They stored the snack in the refrigerator for an hour. When they came back, the powdered sugar could no longer be seen, but the fruit and nuts did not change their appearance.
What most likely happened to the powdered sugar?
The sugar dissolved because of the moisture in the fruit.
What is the definition of sound energy
The energy we hear that travels in waves through the air or other materials
Which property of light causes you to feel hot from the sunlight on a summer day?
Absorption
Describe the energy transformation of a match
Chemical->thermal/light
Students conducted an investigation in which they rolled a bicycle wheel on different ground surfaces. What is a testable question that the students could be investigating?
A
Which statement best describes the conservation of matter?
Matter is not created or destroyed