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DSA Review 1

Last updated about 1 year ago

5 questions

Instructions

ids and solids in liquids.

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Question 1

1.

What are the three physical states of matter?

Hot, cold, warm

Solid, liquid, gas

Big, small, medium

Hard, soft, rough

Question 2

2.

Can you explain why some objects float in water while others sink?

Because they are colorful

Because of their shape

Because of their relative density

Because they are heavy

Question 3

3.

If you have a magnet, how can you use it to classify different objects?

By seeing which objects are shiny

By seeing which objects are attracted to the magnet

By seeing which objects are colorful

By seeing which objects are heavy

Question 4

4.

How would you compare a mixture of sand and water to a solution of salt and water?

Sand and water can be separated easily, but salt and water form a solution

Both are the same

Sand dissolves in water, but salt does not

Salt and water can be separated easily, but sand and water form a solution

Question 5

5.

Which mixture do you think is easier to separate, and why?

Sand and water, because sand does not dissolve in water

Salt and water, because salt dissolves in water

Both are equally easy to separate

Neither can be separated