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Candle Burning and Shadow Length

Candle Burning and Shadow Length

Assessment

Interactive Video

Mathematics, Science, Other

6th - 8th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video covers Math 8 Unit 5 Lesson 9 on linear models, focusing on modeling real-life situations with linear functions. It begins with a candle burning example to illustrate linearity and function dependency on time. The lesson progresses to analyzing shadow length as a function of time, discussing its linearity. The recycling data is used to model linear functions, highlighting the importance of choosing appropriate time periods for accurate predictions. The session concludes with solving homework problems related to linear functions, emphasizing the application of mathematical models in real-life scenarios.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial length of the candle before it starts burning?

5.5 inches

8 inches

10 inches

12 inches

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much does the candle's length decrease per hour?

4 inches

2 inches

3 inches

1 inch

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After 95 minutes, what was the estimated length of the shadow?

38.5 cm

50 cm

26 cm

10.5 cm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is the shadow length a linear function of time?

No, it is a quadratic function

Yes, but with some variance

No, it is not linear

Yes, it is perfectly linear

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For which years is the recycling model accurate?

2010-2015

1998-2011

1991-1995

2000-2005

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of the moon's surface is illuminated on the second day?

4%

8%

6%

2%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much does one marble increase the water volume in the cylinder?

2 mL

1.5 mL

1 mL

0.5 mL

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