Unit 1 Review

Front

What is altitude?

Back

Altitude is the height of an object or point in relation to sea level or ground level.

Front

How do you calculate the new altitude after descending and ascending?

Back

To find the new altitude, subtract the descent from the initial altitude and then add the ascent.

Front

If Holli was at 500 feet and descended 450 feet, what is her altitude before ascending?

Back

50 feet.

Front

What is the formula to find the new depth of a submarine after rising?

Back

New depth = Initial depth + Rise.

Front

If a submarine is at -250 meters and rises 100 meters, what is its new depth?

Back

-150 meters.

Front

What does a negative number represent in terms of depth or altitude?

Back

A negative number indicates a position below a reference point, such as sea level.

Front

What is the change in temperature if it drops from 5°C to -3°C?

Back

The change in temperature is -8°C.

Front

How do you calculate the change in temperature?

Back

Change in temperature = Final temperature - Initial temperature.

Front

What does the expression 9 + (-5) represent on a number line?

Back

It represents moving 5 units to the left from 9, resulting in 4.

Front

What is the result of 5 + (-9)?

Back

The result is -4.