States of Matter-2nd Grade

Question 1

__ can change a state of matter from a solid to a liquid.

Accepted Answer

temperature

Question 2

Scientific Method: Make an observation! What is happening to the ice cube?

Accepted Answer

It is melting and the liquid is evaporating

Question 3

Water vapor is a __.

Accepted Answer

gas

Question 4

Scientific Method: Record the results! When water freezes it __.

Accepted Answer

expands

Question 5

What is NOT an example of a property for a substance?

Accepted Answer

time

Question 6

Scientific Method: Watch the video and make a conclusion! Bismuth is matter that __.

Accepted Answer

becomes a liquid when heated and a solid when it cools

Question 7

Scientific Method: Ask a Question!Why didn't the different colors mix together?

Accepted Answer

because each color was a different density

Question 8

Which is an example of a mixture?

Accepted Answer

soup

Question 9

All things on the earth consist of__.

Accepted Answer

matter

Question 10

Heat can separate salt from water by __.

Accepted Answer

evaporating the water

Question 11

Scientific Method: When experimenting I need to make a __ and follow it.

Accepted Answer

plan

Question 12

Sand fills a container, so sand is a liquid!

Accepted Answer

No, its false!

Question 13

Which one of these is a solid:

Accepted Answer

cup

Question 14

When gas turns into a liquid it __?

Accepted Answer

condenses

Question 15

Do liquids change shape?

Accepted Answer

Yes

Question 16

Why did the oil and water switch?

Accepted Answer

oil is less dense, so it rises

Question 17

Which liquid is the most dense?

Accepted Answer

honey

Question 18

Understanding states if matter can help us make:

Accepted Answer

medicine and food

Questions 18