Forces & Motion
A student on a swing speeds up from Position A to Position B because of what force pulling down?
Gravity
What type of energy is made when air vibrates, like with musical instruments?
Sound energy
What is the plastic covering on a wire that stops electricity from passing through?
An insulator
Earth spinning on its axis causes what?
Day and night
In Gatesville during December-February, temperatures range between 10–15°C, and rainfall is about 2–3 inches. What season does this describe?
Winter
A rolling ball changes its direction when what happens?
An extra force is applied
What type of energy do we feel as heat from the sun?
Thermal
What is the metal inside a wire allows electricity to flow?
A conductor
Earth’s revolution around the sun causes what?
Seasons
Typically, what is the rainiest season?
Spring
Dominoes keep falling because energy does what from one domino to the next?
Transfers energy
A student places a metal spoon in a cup of hot cocoa. After a few minutes, the handle of the spoon feels warm even though it was not in the liquid.
What is happening?
Thermal energy transferred from the cocoa to the spoon.
In a circuit where the light will not turn on, what is often the problem?
The wires are not connected correctly.
What is the earth, sun, and moon system?
The sun, moon, and earth form a system where the moon orbits the earth and the earth orbits the sun.
The bars on a climate graph show the amount of rainfall each month.
If the bars is highest in May, what conclusion can students make?
May is the rainiest month.
When the ball suddenly speeds up at Position 3, what must have happened?
A extra force pushed the ball at Position 3
The force of a student kicking a soccer ball is transferring which energy to the ball?
Mechanical energy
A heater in a circuit does not work because the circuit is not _____________.
complete
If the moon is barley visible in the night sky, what phase is this?
New moon
Students observe that in their town, the hottest temperatures happen in June-August every year. What does this tell students?
These are summer months.
What type of force can cause an object to slow down when two surfaces rub together?
Friction
A stick sits on water in waves, but the stick does NOT move forward. Why not?
Energy moves, not the stick
A student can fix an incomplete circuit by doing what?
Connecting all parts of the circuit
The earth, sun, moon system affects what two patterns on earth?
Day and night
Seasons
A climate graph shows low rainfall from December to February and increasing rainfall from March to May.
What prediction can students make about early spring?
Rainfall will increase as spring begins.