Heat Transfer
girl washes her favorite sweater. She hangs it outside on a clothesline in the sun. Two hours later, the sweater is dry. What happened to the water in the sweater?
What is the water was absorbed by the heat, and the water evaporated by the sun
An object travels 5 meters in one second. After two seconds it has traveled 10 meters, and after three seconds it has traveled 15 meters. Which best describes the motion of the object?
What is a constant speed object
Define Radiation
Which is the best example of a physical change?
Various examples
A boy puts several kilograms of rocks in an empty wagon. How will the motion of the wagon be different after it is filled with rocks?
What is the process of speeding up and slowing down.
Outer space can be extremely cold. How does a space suit allow a human to survive the cold of space?
What is an insulated space suit
To determine the motion of an object, what information should be known?
What is distance and time
Define Conduction
What is direct contact of heat
What is two items touching directly transforming heat
Name a chemical change?
various answers
A pot containing 500 ml of water is brought to a boil. Later, the pot contains 400 ml of boiling water. Why is there a difference in the amount of water in the pot?
Whats is 100 ml of water changed into water vapor
What process uses direct contact to heat an item?
What is conduction
Name ways an object can speed up
What are various answers
Define Friction
What is the resistance that one surface or object encounters when moving over another
Cooking a egg on a hot sunny Sunday morning with radiation beaming into the window from your kitchen is an example of which type of change when you begin to cook the egg?
What is a chemical change
A skydiver jumps from an airplane with a parachute. Which best explains how forces affect the skydiver’s fall?
What is the process of gravity and friction of a skydiver
.
What process allows ocean currents to transfer heat around the globe?
convection
Four identical wagons carrying different amounts of sand are released from the same height and allowed to roll down a hill. No sand falls out of the wagons.
• One contains 3 kilograms.
• One contains 11 kilograms.
• One contains 14 kilograms.
• One contains 98 kilograms.
Which wagon would require the greatest force to stop its motion at the bottom of the hill?
What is the greatest force of the 98 kg wagon
Define Heat Transfer
What is the process of heat being transferred from one object to another
Tyrone and Nia are baking cupcakes. Which type of change will they create in the kitchen?
What is chemical change
Which statement best describes what will occur when a hot nail is dropped into a container of cold water?
What is...
Heat energy in the cold water will flow into the nail.
DRAW IT OUT EXPLAIN
Miguel prepares a flower bed on a hot summer morning. He covers the bed with a sheet of plastic that extends to the edge of the bed. He notices at the end of the day that the plastic now extends two inches beyond the edge of the flower bed. Why has the size of the plastic increased?
Thomas kicked a soccer ball with a certain force. After the ball stopped moving, John kicked the same soccer ball with a greater force. Which statement describes what most likely happened to the ball?
WHAT IS Explain!
VARIOUS ANSWERS!
Define Distance
What is the an amount of space between two things or people
You go into the kitchen and open the fridge and pour a glass of milk. Before you even drink it you can tell from the smell that the milk has soured. You make a glass of ice water instead.What happened to the milk?
What is chemical change
How does a warm can of soda become cold when it is placed in a container of ice?
What is conduction.
EXPLAIN THE PROCESS