Which of the following best explains why the South Pole receives no sunlight at all during nearly half of the year?
Earth's South Pole is tilted away from the sun during that part of the year
How do you calculate the force of gravitational attraction between two objects?
Multiply their masses
In a video camera where is the energy being stored?
battery
If you have a large brick and a small brick both made of the same substance and both at room temperature, which one has the highest thermal energy?
The larger brick because it has more particles
The temperature at which a substance changes from a solid to a liquid.
What is partly the result of Earth's revolution?
Earth's seasons
If the force of gravity between two objects is 30 units and the mass of object X is 5 units, what is the mass of object Y?
6 units
In which form is solar energy most likely to reach Earth?
visible light
What type of heat transfer occurs in our atmosphere in which the hot matter rises, and the cold matter sinks?
Convection
Particles move the slowest in what phase?
Solid
What has the greatest effect on Earth's seasons?
the tilt of Earth's axis
If the force of gravity between two objects is 48 units and the mass of object X is 4 units, what is the mass of object Y?
12 units
By which process does solar energy reach Earth?
radiation
When you heat one end of a metal spoon, the heat travels down the spoon by what method of thermal energy transfer?
Conduction
The space between particles is widest in which phase?
Gas
What month is Earth's Southern Hemisphere tilted closest toward the sun?
December
The force of gravitational attraction between two objects is 8 units.
What will the force of gravitational attraction between the objects be if the mass of both objects doubles?
32 units
An electric guitar converts electrical energy into what type of energy?
Sound energy
A massive glacier has more thermal energy than a boiling cup of tea, why is this?
The glacier has more particles than the cup of tea
The temperature at which a substance changes from a liquid to a gas?
Boiling Point
Why is it summer in the Southern Hemisphere during the same time it is winter in the Northern Hemisphere?
The Southern Hemisphere is tilted closest toward the sun in December
The force of gravitational attraction between two objects is 24 units.
What will the force of gravitational attraction between the objects be if the distance between the objects doubles?
6 units
Nuclear powerplants transform nuclear energy into electrical energy using what process?
Nuclear fission
When you hover your hand over a flame and feel the heat, what type of heat transfer is this?
Radiation
What is the measurement of average kinetic energy of the particles in a substance?
Temperature