Week Five Level 1

Front

What is the formula to calculate speed?

Back

Speed = Distance / Time

Front

If a barrel takes 91 seconds to float 100 meters, how do you convert this time into minutes and seconds?

Back

91 seconds is 1 minute and 31 seconds.

Front

What is the speed of an object that travels 100 meters in 31 seconds?

Back

The speed is approximately 3.23 m/s.

Front

How do you round a number to the nearest hundredths place?

Back

Look at the third decimal place; if it's 5 or more, round up the second decimal place by one.

Front

What is the relationship between the speed of the river and the speed of the barrel if they are the same?

Back

If the speeds are the same, it means the barrel is moving with the current of the river.

Front

What is a stream bank?

Back

The sides of a stream that confine the water flow.

Front

How many seconds are in one minute?

Back

There are 60 seconds in one minute.

Front

What is the significance of understanding the speed of an object in motion?

Back

Understanding speed helps in predicting how long it will take for an object to travel a certain distance.

Front

What units are used to measure speed in the context of this quiz?

Back

Meters per second (m/s).

Front

What does it mean to rate your understanding of a concept?

Back

It means to evaluate how well you grasp the material, often on a scale.