December 8th Semester Exam Review

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What does a distance-time graph represent?

Back

A distance-time graph shows how far an object has traveled over a specific period of time.

Front

What is a balanced chemical equation?

Back

A balanced chemical equation has the same number of each type of atom on both sides of the equation.

Front

What is the significance of spring tides?

Back

Spring tides occur when the Sun, Earth, and Moon are aligned, resulting in higher high tides and lower low tides.

Front

What is the approximate surface temperature of the Sun?

Back

The approximate surface temperature of the Sun is 5,500 °C.

Front

What are neap tides?

Back

Neap tides occur when the Sun and Moon are at right angles relative to the Earth, resulting in lower high tides and higher low tides.

Front

What is the role of the Moon in creating tides?

Back

The Moon's gravitational pull on the Earth causes the water in the oceans to bulge, creating tides.

Front

What is the difference between a spring tide and a neap tide?

Back

Spring tides are higher and occur during full and new moons, while neap tides are lower and occur during the first and third quarters of the moon.

Front

What is the definition of a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Front

What is the importance of balancing chemical equations?

Back

Balancing chemical equations is important to obey the law of conservation of mass, which states that matter cannot be created or destroyed.