Question
Which statement is TRUE about nuclear FUSION?(1 point)
Responses
Nuclear fusion is when atoms split apart
Nuclear fusion is when atoms split apart
Nuclear fusion occurs when two atoms slam together to form one, heavier atom
Nuclear fusion occurs when two atoms slam together to form one, heavier atom
Nuclear fusion only releases a small amount of energy.
Nuclear fusion only releases a small amount of energy.
Nuclear fusion is used to provide electricity at nuclear power plants
Nuclear fusion is used to provide electricity at nuclear power plants
Question 12
Which is evidence for the existence of dark energy?(1 point)
Responses
Supernovae that are moving away at an accelerating rate
Supernovae that are moving away at an accelerating rate
galaxies that are rotating at a constant rate
galaxies that are rotating at a constant rate
Black holes that are expanding at a constant rate
Black holes that are expanding at a constant rate
Pulsars that seem to be moving closer at an accelerating rate
Pulsars that seem to be moving closer at an accelerating rate
Question 13
Which characteristic is shared by both dark matter and baryonic matter?(1 point)
Responses
They both have gravity
They both have gravity
They both are capable of absorbing light
They both are capable of absorbing light
They both interact with each other
They both interact with each other
They both have been directly observed by scientists
They both have been directly observed by scientists
Question 14
Which statement below does NOT fit the model of the Big Bang and the subsequent changes in the universe?(2 points)
Responses
The universe was denser previously than it is now.
The universe was denser previously than it is now.
The universe was hotter previously than it is now.
The universe was hotter previously than it is now.
The galaxies are moving closer together as time progresses.
The galaxies are moving closer together as time progresses.
The universe is continuing to expand, even after the Big Bang.
The universe is continuing to expand, even after the Big Bang.
Question 15
What the definition of dark energy?(1 point)
Responses
Energy that humans cannot observe directly
Energy that humans cannot observe directly
Energy characterized by black and dark gray colors
Energy characterized by black and dark gray colors
Energy that is only emitted by glowing nebulae.
Energy that is only emitted by glowing nebulae.
Energy that has a small effect on the universe
Responses
Nuclear fusion is when atoms split apart
Nuclear fusion is when atoms split apart
Nuclear fusion occurs when two atoms slam together to form one, heavier atom
Nuclear fusion occurs when two atoms slam together to form one, heavier atom
Nuclear fusion only releases a small amount of energy.
Nuclear fusion only releases a small amount of energy.
Nuclear fusion is used to provide electricity at nuclear power plants
Nuclear fusion is used to provide electricity at nuclear power plants
Question 12
Which is evidence for the existence of dark energy?(1 point)
Responses
Supernovae that are moving away at an accelerating rate
Supernovae that are moving away at an accelerating rate
galaxies that are rotating at a constant rate
galaxies that are rotating at a constant rate
Black holes that are expanding at a constant rate
Black holes that are expanding at a constant rate
Pulsars that seem to be moving closer at an accelerating rate
Pulsars that seem to be moving closer at an accelerating rate
Question 13
Which characteristic is shared by both dark matter and baryonic matter?(1 point)
Responses
They both have gravity
They both have gravity
They both are capable of absorbing light
They both are capable of absorbing light
They both interact with each other
They both interact with each other
They both have been directly observed by scientists
They both have been directly observed by scientists
Question 14
Which statement below does NOT fit the model of the Big Bang and the subsequent changes in the universe?(2 points)
Responses
The universe was denser previously than it is now.
The universe was denser previously than it is now.
The universe was hotter previously than it is now.
The universe was hotter previously than it is now.
The galaxies are moving closer together as time progresses.
The galaxies are moving closer together as time progresses.
The universe is continuing to expand, even after the Big Bang.
The universe is continuing to expand, even after the Big Bang.
Question 15
What the definition of dark energy?(1 point)
Responses
Energy that humans cannot observe directly
Energy that humans cannot observe directly
Energy characterized by black and dark gray colors
Energy characterized by black and dark gray colors
Energy that is only emitted by glowing nebulae.
Energy that is only emitted by glowing nebulae.
Energy that has a small effect on the universe
Answers
GPT-4o mini
Here are the correct answers to the questions you've provided:
**Question 11: Which statement is TRUE about nuclear FUSION?**
**Correct Answer:** Nuclear fusion occurs when two atoms slam together to form one, heavier atom.
**Question 12: Which is evidence for the existence of dark energy?**
**Correct Answer:** Supernovae that are moving away at an accelerating rate.
**Question 13: Which characteristic is shared by both dark matter and baryonic matter?**
**Correct Answer:** They both have gravity.
**Question 14: Which statement below does NOT fit the model of the Big Bang and the subsequent changes in the universe?**
**Correct Answer:** The galaxies are moving closer together as time progresses.
**Question 15: What is the definition of dark energy?**
**Correct Answer:** Energy that humans cannot observe directly.
Feel free to ask if you have more questions!
**Question 11: Which statement is TRUE about nuclear FUSION?**
**Correct Answer:** Nuclear fusion occurs when two atoms slam together to form one, heavier atom.
**Question 12: Which is evidence for the existence of dark energy?**
**Correct Answer:** Supernovae that are moving away at an accelerating rate.
**Question 13: Which characteristic is shared by both dark matter and baryonic matter?**
**Correct Answer:** They both have gravity.
**Question 14: Which statement below does NOT fit the model of the Big Bang and the subsequent changes in the universe?**
**Correct Answer:** The galaxies are moving closer together as time progresses.
**Question 15: What is the definition of dark energy?**
**Correct Answer:** Energy that humans cannot observe directly.
Feel free to ask if you have more questions!