A scientist is working in a lab and accidentally combines two liquids that quickly form a solution. Which process could be used to separate the two liquids?(1 point)
Responses
waiting for the two liquids to separate
waiting for the two liquids to separate
collecting one of the liquids with a spoon
collecting one of the liquids with a spoon
heating the liquids and letting one boil away first
heating the liquids and letting one boil away first
passing the liquids through a filter to collect one of them
passing the liquids through a filter to collect one of them
Which property could allow a student to easily separate sand and iron filings?(1 point)
Responses
melting point
melting point
magnetism
magnetism
boiling point
boiling point
solubility
magnetism
are worried that a solid substance has dissolved in a beaker of water in a lab. What would be a way to separate the substance from the water?(1 point)
Responses
Pour the liquid along a rough surface that would catch the solid particles but not the water.
Pour the liquid along a rough surface that would catch the solid particles but not the water.
Boil the water away, leaving the substance behind in the beaker.
Boil the water away, leaving the substance behind in the beaker.
Use a magnet to draw out the solid substance from the water.
Use a magnet to draw out the solid substance from the water.
Pass the solution through a filter to let the dissolved substance separate.
Pass the solution through a filter to let the dissolved substance separate.
A beaker contains a mixture of sand and salt. A student adds water to dissolve the salt. Which processes can be used to separate out the sand and salt?(1 point)
Responses
distillation to collect the sand and filtration to collect the salt
distillation to collect the sand and filtration to collect the salt
distillation to collect both the sand and the salt
distillation to collect both the sand and the salt
filtration to collect the sand and distillation to collect the salt
filtration to collect the sand and distillation to collect the salt
filtration to collect both the sand and the salt
filtration to collect the sand and distillation to collect the salt
Article 1 informs readers about the benefits of hand washing, and Article 2 persuades readers to wash their hands more. Given this information, which method of writing is different between the two articles?(1 point)
Responses
tone
tone
purpose for writing
purpose for writing
text organization
text organization
topic
purpose for writing
at is text organization?(1 point)
Responses
the method an author uses to present information in writing
the method an author uses to present information in writing
the style in which an author is writing
the style in which an author is writing
the reason an author is writing
the reason an author is writing
the attitude of a writer toward a subject or an audience