Electrical energy is the most useful form of energy. Is this statement a fact or an opinion? Explain.

What happens to the composition of an atom to cause it to become positively or negatively charged?

What potential difference is measured across a 19.9 Ω load resistor when it is connected across a battery of emf 2.46 V and internal resistance 0.561 Ω? Answer in units of V.

Explain objects in space motion. How do they move? What affects their motion?

Volcanoes most often occur at plate boundaries and ___.

If you put a cup of hot chocolate at 90c on a table in a room kept at 25c you know it will cool down. How cool will the hot chocolate get?

Sonja is riding her bike. She takes her feet off the pedals to freewheel down a hill. Describe the energy transfers that take place as the bike travels down the hill. Ignore friction and air resistance.

Three forces that act on a roller coaster: Gravity Air Resistance Inertia Am I right?

Electrical energy is the most useful form of energy. Is this statement a fact or an opinion? Explain.

Describe how private citizens have a voice in which projects the federal government will fund

What two factors cause change in seasons