5th Grade - SCIENCE Quiz - AM 59, 60 Flashcards
The transfers of heat, or movement, or thermal energy from one substance to another is called _____.
heat
Heat always flows from a substance at a warmer temperature to one at a _______ temperature.
cooler
If a warmer substance has transferred heat to a cooler substance, the cooler substance has _____ thermal energy and the warner substance has lost thermal energy.
gained
The heat that occurs when particles bump into each other but do not change location is called ______.
conduction
The heat that occurs when particles carry thermal energy as they move from one place to another is called ____.
convection
The heat that occurs when there are no particles to carry the energy is called _____.
radiation
______ can occur through empty space.
radiation
_____ usually occurs in liquids and gases.
convection
______ from the sun is an important source of heat and light.
radiation
Solids are usually heated by _____.
conduction
Substances that allow heat to move through them easily are called _____.
conductors
Substances that do not allow leaf to leave through them easily are called _____.
insulators
Wood, brick, glass, and plastic are good _____.
insulators
Metals are the best ______.
conductors
_____ colors absorb radiation better than ____ colors do.
Dark colors absorb radiation better than light colors.
What are examples of how air is used as insulation?
- Air between a bird’s feathers and its body helps to insulate the bird and keep it warm
- Air between layers of clothing helps to insulate our bodies from the cold
- Double-paned windows trap air to help keep buildings warmer in the winter and cooler in the summer
- Building insulation used in ceilings and walls traps air in pockets to reduce heat loss
When hot chocolate causes the spoon to heat is an example of what kind of heat?
conduction
Toaster coils are an example of what kind of heat?
radiation
Boiling water in a pot is an example of what kind of heat?
convection
