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Q 1/20
Score 0
Which of the following is true about how materials and energy behave?
30
A magnet will attract a non-magnetic material like a plastic spoon.
A mixture of sand and iron filings can only be separated by boiling them.
An opaque material allows all light to pass through it clearly.
Sound is produced when an object vibrates back and forth very quickly.
Q 2/20
Score 0
If you are trying to separate a mixture of iron nails and plastic beads, which property should you test to get the nails out quickly?
30
Electrical conductivity
Hardness
Transparency
Magnetic property
20 questions
Q.
Which of the following is true about how materials and energy behave?
1
30 sec
Q.
If you are trying to separate a mixture of iron nails and plastic beads, which property should you test to get the nails out quickly?
2
30 sec
Q.
Which set of properties correctly describes a copper wire used in an electrical circuit?
3
30 sec
Q.
Which material would be the best choice for a window, and why?
4
30 sec
Q.
If a student wants to separate a mixture of salt and water, which process should they use?
5
30 sec
Q.
Which of the following descriptions correctly matches a material to its physical property?
6
30 sec
Q.
A student has a mixture of sand and water. Which property of sand allows them to separate it by using a filter or a sieve?
7
30 sec
Q.
Which of the following is true about how materials affect light and sound?
8
30 sec
Q.
If you hit a metal drum, it makes a loud noise. What is the cause of this sound energy?
9
30 sec
Q.
Which material would be considered a non-magnetic insulator?
10
30 sec
Q.
Which of the following describes a material that does NOT allow any light to pass through it?
11
30 sec
Q.
Which of the following is true about how materials and energy work?
12
30 sec
Q.
A scientist wants to separate a mixture of iron nails and plastic beads. Which property of the nails should they use to separate them easily?
13
30 sec
Q.
Which of these materials would be best for making a window that you can see through clearly, and why?
14
30 sec
Q.
If you are testing a material to see if it can be used for a wire in an electric circuit, which property are you checking for?
15
30 sec
Q.
Which set of properties best describes a shiny metal coin?
16
30 sec
Q.
If you are trying to separate a mixture of salt and water, which process would be the most effective?
17
30 sec
Q.
If you hit a drum and it produces a loud noise, what is physically happening to the drum skin to create that sound energy?
18
30 sec
Q.
If you have a mixture of copper coins, iron nails, and plastic buttons, which property can you test to separate only the iron nails from the rest?
19
30 sec
Q.
Which of these materials would be most useful for a worker who needs to see through a safety mask while also ensuring it is strong and does not easily break?
