Heat
What are the 3 types of heat transfer?
Conduction
Convection
Radiation
What step of the water cycle is occurring when water in a puddle disappears?
Evaporation
What must you know in order to calculate speed?
tarnish
rust
bake
toast
photosynthesize
explode
What force causes motion to slow?
friction
air resistance
water resistance
Burning your hand on the stove is an example of ______________.
Conduction
What step of the water cycle is occurring when water returns to earth from the atmosphere?
Precipitation
If a car travels 100 miles in 2 hours. What was the car's average speed?
50 mph
Name 3 physical verbs.
cut
melt
boil
crush
slice
evaporate
condense
freeze
break
tear
What force caused our marble to travel down our track?
gravity
What step of the water cycle is occurring when water vapor turns back into water droplets and forms clouds?
Condensation
If a car travels 180 in 3 hours, what is it's average speed?
60 mph
Which is a chemical change?
roast a turkey
melted ice cream
frothing milk
roast a turkey
What is another name for the 1st Law of Motion?
Inertia
A light bulb spreading heat and light is an example of ______________.
Radiation
When plants absorb or gain energy _____________ occurs.
Transpiration
Which marble is traveling slower?
a marble moving 96 inches in 12 seconds
a marble moving 132 inches in 11 seconds
The marble traveling 96 inches in 12 seconds.
(Remember a car going 50 mph is slower than a car going 75 mph)
96/12 = 8 inches per second
132/11 = 12 inches per second
Which is a physical change?
melting cheese over yummy chips
frying an egg
boiling an egg
melting cheese over yummy chips
What force helps a skydiver slow down enough to avoid death?
air resistance
What 2 types of heat transfer are occuring when you burn yourself on the metal clasp of the seatbelt on a hot day?
Conduction
What part of the water cycle increases run-off?
Precipitation
Which is faster motion?
a train traveling 300 miles in 2 hours
a train traveling 500 miles in 4 hours
The train traveling 300 miles in 2 hours is faster.
300/2 = 150 mph
500/4 = 125 mph
Name 3 signs of a chemical change.
light
heat
odor
gas
fizz/bubbles
temperature change
new substance
Which is balanced?
tug of war with a winning team
arm wrestling; Mrs. Babb against "The Rock"
a book sitting on a table
a book sitting on a table