Exploring Phase Change Energy Problems

Exploring Phase Change Energy Problems

Assessment

Interactive Video

Science

6th - 10th Grade

Practice Problem

Hard

NGSS
MS-PS1-4, MS-PS3-3, MS-PS3-4

Standards-aligned

Created by

Liam Anderson

FREE Resource

Standards-aligned

NGSS.MS-PS1-4
,
NGSS.MS-PS3-3
,
NGSS.MS-PS3-4
The video tutorial explains phase changes in water, focusing on energy constancy during transitions from solid to liquid and liquid to gas. It covers calculations for heating ice from -20°C to 0°C, heating water from 0°C to 100°C, and boiling water to steam. The tutorial emphasizes the importance of understanding specific heat and phase change energy requirements, using equations like Q=MCΔT, heat of fusion, and heat of vaporization.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the energy of water when it changes from a solid to a liquid?

It fluctuates.

It increases.

It decreases.

It stays constant.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what temperature does ice start to melt?

50°C

-20°C

100°C

0°C

Tags

NGSS.MS-PS1-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the specific heat of ice used in the calculation?

3.00 J/g°C

1.00 J/g°C

2.03 J/g°C

4.184 J/g°C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much energy is required to warm 30 grams of ice from -20°C to 0°C?

2000 J

1500 J

1000 J

1218 J

Tags

NGSS.MS-PS1-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the specific heat of liquid water used in the calculation?

1.00 J/g°C

3.00 J/g°C

2.03 J/g°C

4.184 J/g°C

Tags

NGSS.MS-PS3-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much energy is needed to warm 100 grams of water from 0°C to 100°C?

41840 J

401840 J

10000 J

4184 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the heat of vaporization used in the calculation?

2260 J/g

334 J/g

4184 J/g

1000 J/g

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

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