Bellringers – March
March 1
1. _____ heat transfer is by electromagnetic waves.
2. Convection heat transfer creates a _____ _____.
3. _____ heat transfer involves direct touch.
March 6, 2017
1. Heat is transferred to feet walking on the beach by _____.
2. Heat is transferred to water by a stove burner by _____.
3. Heat is transferred to a sidewalk by _____.
March 7, 2017
1. _____ _____ cause the movement of magma within the earth.
2. Heat is transferred from molecule to molecule in _____.
3. On March 21, we will experience a _____ _____.
March 9, 2017
1. A poor conductor is usually a good _____.
2. Energy is never _____ or _____.
3. If energy is stored, it is _____ energy.
March 14, 2017
1. The higher an object is from Earth’s surface, the _____ potential energy it has.
2. True or False: Gases can be good insulators.
3. Carpet is a better _____ than a tile floor.
March 16, 2017
1. Convection currents cause _____ breezes on Earth.
2. Energy cannot be created or destroyed, only _____.
3. The _____ an object is moving, the greater its kinetic energy.
March 27, 2017
1. 1. Photosynthesis uses _____, _____, and _____ to produce _____ and _____.
2. The _____ theory proposes that there was one super continent.
3. An _____ is a community of organisms that live in a particular area, along with their non-living
surroundings.
March 28, 2017
1. Sound is a ______ that travels through a _____.
2. Three types of medium are: _____, _____, and _____.
3. Two kinds of waves are: _____ and _____.
March 29, 2017
1. Sound waves need ______ and _____ to work.
2. _____ is how often a sound wave repeats itself, while _____ is how high or low a sound is.
3. When a sound source moves, the frequency changes because of the motion is referred to as the
__________.