Question
Which of these is true of fruits blended together?
(1 point)
Responses
physical change
physical change
both types of changes
both types of changes
chemical change
chemical change
none of these
none of these
Question 2
Gallium spoon melting is a physical change because a puddle of _____ metal is left afterwards.
(1 point)
Responses
steel
steel
iron
iron
aluminum
aluminum
gallium
gallium
Question 3
Changes between states of matter are often which?
(1 point)
Responses
physical changes
physical changes
chemical changes
chemical changes
neither
neither
both
both
Question 4
When something burns it is which of these?
(1 point)
Responses
chemical change
chemical change
physical change
physical change
Question 5
What caused the candles to go out?
(1 point)
Responses
Izzy blowing on them
Izzy blowing on them
carbon dioxide
carbon dioxide
hydrogen
hydrogen
oxygen
oxygen
Question 6
Why is this a physical change?
(1 point)
Responses
it changes form
it changes form
same gas before and after
same gas before and after
it makes a mess
it makes a mess
it's not, it's a chemical change
it's not, it's a chemical change
Question 7
How does the team know the gas produced is hydrogen?
(1 point)
Responses
flame test
flame test
temperature
temperature
density
density
direct observation
direct observation
Question 8
How does hydrogen react in a flame test?
(1 point)
Responses
changes color
changes color
nothing happens
nothing happens
a pop
a pop
puts flame out
puts flame out
Question 9
The spoiling of milk is an example of which type of change?
(1 point)
Responses
neither
neither
both
both
chemical
chemical
physical
physical
Question 10
Is mixing air into egg whites a physical or chemical change?
(1 point)
Responses
both
both
chemical
chemical
physical
physical
neither
neither
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(1 point)
Responses
physical change
physical change
both types of changes
both types of changes
chemical change
chemical change
none of these
none of these
Question 2
Gallium spoon melting is a physical change because a puddle of _____ metal is left afterwards.
(1 point)
Responses
steel
steel
iron
iron
aluminum
aluminum
gallium
gallium
Question 3
Changes between states of matter are often which?
(1 point)
Responses
physical changes
physical changes
chemical changes
chemical changes
neither
neither
both
both
Question 4
When something burns it is which of these?
(1 point)
Responses
chemical change
chemical change
physical change
physical change
Question 5
What caused the candles to go out?
(1 point)
Responses
Izzy blowing on them
Izzy blowing on them
carbon dioxide
carbon dioxide
hydrogen
hydrogen
oxygen
oxygen
Question 6
Why is this a physical change?
(1 point)
Responses
it changes form
it changes form
same gas before and after
same gas before and after
it makes a mess
it makes a mess
it's not, it's a chemical change
it's not, it's a chemical change
Question 7
How does the team know the gas produced is hydrogen?
(1 point)
Responses
flame test
flame test
temperature
temperature
density
density
direct observation
direct observation
Question 8
How does hydrogen react in a flame test?
(1 point)
Responses
changes color
changes color
nothing happens
nothing happens
a pop
a pop
puts flame out
puts flame out
Question 9
The spoiling of milk is an example of which type of change?
(1 point)
Responses
neither
neither
both
both
chemical
chemical
physical
physical
Question 10
Is mixing air into egg whites a physical or chemical change?
(1 point)
Responses
both
both
chemical
chemical
physical
physical
neither
neither
Skip to navigation
Answers
GPT-4o mini
Here are the answers to your questions:
**Question 1: Which of these is true of fruits blended together?**
- **Response:** physical change
**Question 2: Gallium spoon melting is a physical change because a puddle of _____ metal is left afterward.**
- **Response:** gallium
**Question 3: Changes between states of matter are often which?**
- **Response:** physical changes
**Question 4: When something burns it is which of these?**
- **Response:** chemical change
**Question 5: What caused the candles to go out?**
- **Response:** Izzy blowing on them
**Question 6: Why is this a physical change?**
- **Response:** it changes form
**Question 7: How does the team know the gas produced is hydrogen?**
- **Response:** flame test
**Question 8: How does hydrogen react in a flame test?**
- **Response:** a pop
**Question 9: The spoiling of milk is an example of which type of change?**
- **Response:** chemical
**Question 10: Is mixing air into egg whites a physical or chemical change?**
- **Response:** physical
Feel free to ask if you need help with anything else!
**Question 1: Which of these is true of fruits blended together?**
- **Response:** physical change
**Question 2: Gallium spoon melting is a physical change because a puddle of _____ metal is left afterward.**
- **Response:** gallium
**Question 3: Changes between states of matter are often which?**
- **Response:** physical changes
**Question 4: When something burns it is which of these?**
- **Response:** chemical change
**Question 5: What caused the candles to go out?**
- **Response:** Izzy blowing on them
**Question 6: Why is this a physical change?**
- **Response:** it changes form
**Question 7: How does the team know the gas produced is hydrogen?**
- **Response:** flame test
**Question 8: How does hydrogen react in a flame test?**
- **Response:** a pop
**Question 9: The spoiling of milk is an example of which type of change?**
- **Response:** chemical
**Question 10: Is mixing air into egg whites a physical or chemical change?**
- **Response:** physical
Feel free to ask if you need help with anything else!