mixtures - ecosystem for kids · mixtures select two options ... c. ammonia d. all of the above ......

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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

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