Chemistry Middle School

Which statement describes convection of thermal energy?

A. a pot sitting on a stovetop burner

B. toaster coils heating a slice of bread

C. sunlight warming the asphalt of a road

D. steam rising from a boiling pot

Answers

Answer 1

Answer: its D. (i think)

Explanation:

Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property

Answer 2
I am not sure but with a little research I believe it is C.

Related Questions

The table shows the same data about how the temperature of each pizza changed over 15 minutes.
Which statement is correct?

A) Thermal energy (heat) was transferred faster out of the pizza on the bottom.
B) Thermal energy (heat) was transferred faster out of the pizza on the top.
C) Thermal energy (heat) was transferred out of both pizzas at the same rate.

Answers

A

explanation

Heat is the transfer of energy from a warmer object to a cooler object. For example, a lighted match (higher temperature object) will transfer heat to a large pan filled with lukewarm water (lower temperature object).

B) Thermal energy (heat) was transferred faster out of the pizza on the top.
This is because the top of the pizza is closer to the atmosphere and collide with air particles making it cold when left a certain duration.
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How is the momentum of an object determined?
What happens every time one of the boys playing ping pong hits the ball?
How could the boy playing ping pong keep from hitting the ball off the table?
I GIVE 20 PTS PLS HEELP

Answers

Answer:  He needs to hit the ball with less force.

Explanation:

hope this helps

1. Momentum = mass x velocity

2. Based off the answer to the first question, by hitting the ping pong ball, momentum is transferred from the boy to the ball. Causing the ball to have more velocity/speed and gain more momentum.

3. Momentum before = momentum after
Every time the ball hits the table, some momentum transfers from the ball to the table. Every time the player hits the ball, some momentum transfers from the player to the ball. This allows the player to continue playing ping pong as the ball always has momentum.

How does the nonliving matter in an ecosystem provide for the environment?

Answers

Living things need nonliving things to survive
Living organisms need nonliving things to survive such as air, water, and sunlight. These are three different things both animals and plants need to survive.

The table shows the same data about how the temperature of each pizza changed over 15 minutes.
Which statement is correct?

A) Thermal energy (heat) was transferred faster out of the pizza on the bottom.
B) Thermal energy (heat) was transferred faster out of the pizza on the top.
C) Thermal energy (heat) was transferred out of both pizzas at the same rate.

Answers

The answer is A
Thermal energy(heat) was transferred faster out of the pizza on the bottom
The answer is A it was transformed faster out of the pizza

What is true for two pieces of iron at the same temperature that are different mass?

A) The average kinetic energy of their particles is different.
B) Heat flows from the larger object to the smaller object.
C) The total thermal energy of their particles is different.
D) Heat flows from the smaller object to the larger object.

Answers

Answer:

Their particles have the same total kinetic energy.

Explanation:

Their particles have the same total kinetic energy.

C) The total thermal energy of the particles in each piece of iron will be different, because the total energy of a substance is proportional to its mass. However, if they are at the same temperature, their average thermal energy per particle will be the same.

The table shows the masses and speeds of four different carts.
Which cart has the least kinetic energy?

A. cart d
B. cart b
C. cart c
d. cart d

Answers

C I believe sorry if i’m wrong
I think B I would be write
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