Vocabulary
The motion of atoms or molecules within a substance
A) Thermal Energy
B) Temperature
C) Light Energy
A) Thermal Energy
Did the food coloring mix quicker in the cold or warm cup of water?
Warm
Thermal Energy, Heat, and ________ are often used interchangeably
A) Cold
B) Lukewarm
C) Temperature
C) Temperature
Thermal energy is impacted by
A) science
B) size
C) size and mass
C) size and mass
What does the letter Q mean in this formula?
Q = m × c × ΔT
Heat energy or joules
Matter in which atoms are constantly moving around and bumping into each other
A) Gas
B) Liquid
C) Solid
B) Liquid
Which material is the best conductor for heat?
plastic
wood
metal
metal
The total amount of kinetic energy of the molecules in a system or area
A) Thermal energy
B) Electrical energy
C) Dramatic energy
A) Thermal energy
Temperature is measured in degrees Fahrenheit and
A) Celsius
B) Degrees
C) Kevin
A) Celsius
What UNIT does the letter "m" use in this formula?
Q = m × c × ΔT
grams
Water in gas form
A) Heat
B) Water Vapor
C) Gas
B) Water Vapor
Energy is never destroyed oly transferred.
TRUE OR FALSE
TRUE
Two cups of coffee will/will not have double the temperature of one cup of coffee
A) will
B) will not
B) will not
What does the letter "m" measure in this formula?
Q = m × c × ΔT
A) heat
B) temperature
C) weight
c) weight
What is the unit for the specific heat capacity ?
J/g °C
______ is the way heat travels in the form of invisible waves (like light).
Radiation
What type of energy is being exhibited when a paper helicopter is at its highest point?
potencial energy
Thermal Energy, heat, and temperature are closely related terms, but they have different meanings and are measure in different
A) units
B) centimeters
C) joules
A) units
Heat transfer from one object to another is impacted by the chemical and ___________ properties.
A) Physical
B) Intellectual
C) Properties
A) Physical
The formula Q = m × c × ΔT shows the Delta T.
How do you find the ΔT (delta T)?
Subtract first temperature (inital)
from the last temperature (final)
______________________is the way heat moves through solids. It happens when particles in a hot part of an object vibrate and pass their energy to nearby cooler particles.
Conduction
Molecules that have more thermal energy vibrate around
A) Slower
B) Faster
B) Faster
Which is the degree of measure used in our "Cool It' Lab?
Celsius
The base unit for thermal energy is the _______ temperature
A) Kelvin
B) Celsius
C) Joule
C) Joule
USE MENTAL MATH Q = m × c × ΔT Solve for Q.
3 J/g°C 10 grams
Intial Temperature 5°C
Final Temperature 10°C
150 Joules