mixtures - ecosystem for kids
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Name: Class:
MixturesSelect two options below that are true about mixtures.
a.
1.
two or more substances mixed together but not chemically combinedb. most substances will explode when mixedc. substances in a mixture maintain their own propertiesd. only liquids can be combined to form mixtures
A snack mixture of raisins, walnuts and peanuts cannot be separated.
a.
2.
trueb. false
Which of the following are mixtures ?
a.
3.
fruit saladb. sand and iron filingsc. ammoniad. all of the above
Which of the following is not a mixture ?
a.
4.
flour and sugarb. iron filings and charcoalc. corn flourd. atmosphere
Which of the following methods can be used for separating large from small particles ?
a.
5.
electrolysisb. disolvingc. siftingd. evaporation
Which of the following is a mixture ?
a.
6.
sodab. salt waterc. lemonaded. all of the above
How can you separate a mixture of iron filings and sand ?
a.
7.
siftingb. use a magnet to attract iron filingsc. burningd. adding water and filtering
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Mixtures
Select two options below that are true about mixtures.
a.
1.
two or more substances mixed together but not chemically combinedb. most substances will explode when mixedc. substances in a mixture maintain their own propertiesd. only liquids can be combined to form mixtures
A snack mixture of raisins, walnuts and peanuts cannot be separated.
a.
2.
trueb. false
Which of the following are mixtures ?
a.
3.
fruit saladb. sand and iron filingsc. ammoniad. all of the above
Which of the following is not a mixture ?
a.
4.
flour and sugarb. iron filings and charcoalc. corn flourd. atmosphere
Which of the following methods can be used for separating large from small particles ?
a.
5.
electrolysisb. disolvingc. siftingd. evaporation
Which of the following is a mixture ?
a.
6.
sodab. salt waterc. lemonaded. all of the above
How can you separate a mixture of iron filings and sand ?
a.
7.
siftingb. use a magnet to attract iron filingsc. burningd. adding water and filtering