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Biblioteka

STAAR Blitz - Day 1: Properties of Matter

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Posljednje ažuriranje about 2 years ago
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Pitanje 1
1.

Drag the words below to match the definitions .

- the ability to move heat or electricity from one place to another

- the ability to dissolve into another substance

Drugi mogući odgovor:
solubility
conductivity
Pitanje 2
2.

When objects are more dense than water, they will . When objects are less dense than water, they will . A will float in water, while a will sink.

Drugi mogući odgovor:
penny
sink
float
foam cup
Pitanje 3
3.

When looking for material to stop heat or electricity from flowing, a person would use a(n) . If a person wants to keep heat or electricity flowing, he would use a(n) . An example of a conductor would be . You could use as an insulator.

Drugi mogući odgovor:
copper
conductor
insulator
wood
Pitanje 4
4.

A is when two or more substances combine physically. In a one substance dissolves in another and cannot be seen. A solution is not easily separated and requires . A mixture of toothpicks and plastic beads could be separated with .

Drugi mogući odgovor:
mixture
evaporation
tweezers
solution
Pitanje 5
5.

All of the following are true of magnets except -

Pitanje 6
6.

A strawberry drink mix was added to water and stirred until it dissolved. The drink was pink in color. However, when tasted, it tasted too strong, so more water was added to the mixture. Which of the following most likely occurred when the extra water was added?

Pitanje 7
7.

The diagram below shows one container with oil and water and another container with oil and a cork.

Which diagram shows what would most likely happen if oil, water, and a cork were all place in one container?

Pitanje 8
8.

Drag each definition to the matching word.

  • a combination of two or more substances where one substance completely dissolves in the other

  • a combination of two or more substances (like cereal and milk)

  • Mixture

  • Solution

Pitanje 9
9.

How would you separate a mixture of sand, water, salt, and iron filings.

Pitanje 10
10.

How can you tell when something is soluble in another substance?

Pitanje 11
11.

Identify the physical state of O, N, and M.

If N is water, then M is .

What process is represented by 2?

What process is represented by 3? and also to change .