Heat moves from _________ things to _________ things.
hot / cold
A change in matter that results in a new substance.
Chemical Change
A completed puzzle weighs 575 grams. How much did the puzzle weigh before it was completed?
575 grams
The material allows heat or electricity to flow.
Conductor
Which has a greater density; warm air or cold air?
Cold Air
Heat moving through solids that TOUCH.
Which is a sign of a chemical change:
Water Evaporating or Production of Light
Production of Light
I combined 356 grams of peanuts with 592 grams of chocolate. What was the total mass?
948 grams
Insulator
The amount of space matter takes up is called __________.
Volume
Heat that travels through empty space in electromagnetic waves.
A __________ change is a change is size, shape, or state.
Physical
The art project has a mass of 590 grams. The natural rocks were 109 grams. The leaves were 98 grams. The cotton balls were 63 grams. The final part of the art project was the frame. How much was the mass of the frame?
320 grams
Conductor
Why might a frozen water pipe burst?
The water freezes and expands.
Heat moves through liquids and gases when it heats, rises, cools and sinks.
Convection
What type of change occurs when water disappears from a puddle?
Physical Change
The 500 gram bowl of cake mix included 125 grams of egg, 208 grams of flour, 45 grams of sugar, and ______ grams of water.
122 grams of water
Would you use a conductor or an insulator to remove a pizza from the oven?
Insulator
Which has less density; a golf ball or a ping pong ball?
Ping Pong Ball
Label each type of HEAT transfer.
1. Cooking with a Microwave
2. The Water Cycle
3. Ironing Clothes
1. Radiation
2. Convection
3. Conduction
Label each change:
1. Rusting Nail
2. Breaking a Vase
3. Baking a Cake
1. Chemical
2. Physical
3. Chemical
49 grams of ice was placed in a closed container. After the ice melted, what was its mass?
49 grams
Label each as conductor or insulator:
1. Plastic
2. Copper
3. Styrofoam
1. Insulator
2. Conductor
3. Insulator
Would the wooden door stick in the summer or winter?
Summer - Wood expands when heating