Heat Transfer
What kind of heat transfer happens when things touch? Conduction, Convection, or Radiation?
Conduction
What is the formula for density?
Density = mass / volume
Volume of a box = length × width × _______.
Height
Free 100 points!
Just kidding, -50 points
Which planet in our solar system has the shortest day?
Jupiter, 10 hours!
What kind of heat transfer happens in liquids or gases?
Conduction, Convection, or Radiation?
Convection
If something floats, is its density high or low?
low
A coin has a mass of 10 g and volume of 2 cm³. What is its density?
5
What element is more reactive — Calcium or Silver?
Calcium
What fruit can float on water because of its air pockets
Coconut
What kind of heat transfer comes from the sun? Conduction, Convection, or Radiation?
Radiation
If something sinks, is its density high or low?
high
A block has a mass of 25 g and volume of 5 cm³. What is its density?
5
What element is more reactive — gold or sodium?
Sodium
What country is home to the largest pyramid in the world?
Mexico
Heat moves from cold to hot, right?
No, always hot to cold
What is the unit for density?
g / cm3
A rock has a density of 3 g/cm³ and mass of 24 g. What is its volume?
8
What element is more reactive — magnesium or zinc?
Magnesium
What’s the longest river in the world?
The Nile
What happens to hot water— does it float or sink?
Float
What is the unit for temperature?
Celsius
If an object is 0.9 g/cm³, will it float or sink in water?
float
What element is more reactive — iron or copper?
Iron
What is the hardest substance on Earth?
Diamond