*Question*
If when metal is warmed, the transfer of heat expands the metal, then when metal is warmed, the transfer of heat does what to metal? Answer choices: - expands - Energy. - breaks - blossoms - burning - voltage - improve - decreases
**Answer**
expands

*Question*
If aflashlight requires batteries to produce light, then what does a flashlight require to produce light? Answer choices: - condensation - energy - direct energy - batteries - sunlight - h2o - energy usage - heat energy
**Answer**
batteries

*Question*
If phototropism means growing toward the energy of light, then phototropism means growing toward what? Answer choices: - rocks - energy - retina - light - heat - The Sun - plants - sand
**Answer**
light

*Question*
If ablack hole is formed when a high mass celestial body collapses, then what is formed when a high mass celestial body collapses? Answer choices: - rays or beams - Calcium carbonate - It gets heated up - fossil fuels - scattered light - layers of fat - a black hole - heating liquids
**Answer**
a black hole