Question 1

Which picture shows an insoluble substance?

Accepted Answer

https://uploads.quizalize.com/b1d0c432-5f7c-6750-a263-0bc9197bcb1b/question/90df3e67c00a8d62ec349009244500a3.png

Answer

https://uploads.quizalize.com/b1d0c432-5f7c-6750-a263-0bc9197bcb1b/question/75c53b19574ad4e836a073fa838f3d7e.jpeg

Answer

https://uploads.quizalize.com/b1d0c432-5f7c-6750-a263-0bc9197bcb1b/question/d45512a0239fa273d0d0b74ae92b5cae.jpeg

Answer

https://uploads.quizalize.com/b1d0c432-5f7c-6750-a263-0bc9197bcb1b/question/9e7a2b44318cff89c83bb1e0c4897ae3.jpeg

Question 2

Mass is measured in ...

Accepted Answer

grams.

Answer

centimetres-cubed.

Answer

centimetres.

Answer

millilitres.

Question 3

Sugar dissolves in water, so sugar can be described as a ______ solid.

Accepted Answer

soluble

Question 4

A ______ is a material formed from two or more substances which can be physically separated.

Accepted Answer

mixtures

Question 5

Some students have been asked to describe this diagram using key terms.  Who has used their key words correctly?

Accepted Answer

https://uploads.quizalize.com/b1d0c432-5f7c-6750-a263-0bc9197bcb1b/question/811d4ff992a6d489f25014935c4b0dfb.png

Answer

https://uploads.quizalize.com/b1d0c432-5f7c-6750-a263-0bc9197bcb1b/question/bb5e869f9794223b106d80499e4b65dd.png

Answer

https://uploads.quizalize.com/b1d0c432-5f7c-6750-a263-0bc9197bcb1b/question/8b43e6c2e638b82a88a8bfc615ad0708.png

Answer

https://uploads.quizalize.com/b1d0c432-5f7c-6750-a263-0bc9197bcb1b/question/3533715de9aa48f0731cd29719ec55a0.png

Question 6

Melting is a reversible, physical change. Which of the following statements is also true about melting?

Accepted Answer

Melting occurs when solid particles become more irregularly arranged.

Answer

Melting occurs when solid particles become more regularly arranged.

Answer

Melting is what happens when a substance disappears.

Answer

Melting is the process of a substance disappearing in a liquid.

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