Thermal Expansion - Conceptual

1. Nov 2, 2007

BuBbLeS01

1. The problem statement, all variables and given/known data
For each of the following statements, determine whether is is correct or incorrect.

A. An iron plate has a hole cut in its center. When the plate is heated, the hole gets smaller.

B. When the Celsius temperature doubles, the Fahrenheit temperature doubles.

C. Cold objects do not radiate heat energy.

D. When the pendulum of a grandfather clock is heated, the clock runs more slowly.

E. In a bimetallic strip of brass and copper which curls when heated, the brass is on the inside of the curve.

F. When heat is added to a system, the temperature must rise.

2. Relevant equations

3. The attempt at a solution

A. INCORRECT
B. INCORRECT
C. INCORRECT
D. CORRECT
E. INCORRECT
F. CORRECT

Are these right?

2. Nov 2, 2007

BuBbLeS01

Anyone have an idea on these?

3. Nov 4, 2007

BuBbLeS01

Okay I changed my answers to....

A. INCORRECT
B. INCORRECT
C. INCORRECT
D. CORRECT
E. INCORRECT
F. CORRECT

and they aren't right, does anyone know where I am going wrong?

4. Nov 4, 2007

5. Nov 4, 2007

BuBbLeS01

Oops...I meant to put...
A. INCORRECT
B. INCORRECT
C. INCORRECT
D. CORRECT
E. CORRECT
F. INCORRECT (Thanks)

6. Nov 4, 2007

hage567

I think you had E right the first time.

7. Nov 4, 2007

BuBbLeS01

Oh okay...thank you much!