Solids, Liquids & Gases
Adding or removing heat
Phase Changes
Addition with Regrouping
Word Problems
100
Has a definite volume but not a definate shape
What is a liquid?
100
When a liquid is cooled it becomes what?
What is a solid?
100
Phase change of a solid turning into a liquid
What is melting?
100

22+27

49

100

Abdulla sees 26 seashells on the beach. His sister sees 55 seashells on the beach. How many seashells did they see altogether?

81 seashells

200
Has a definite shape and volume
What is a solid?
200
When heat is added to a liquid it becomes what?
What is a gas?
200
When heat is added to a liquid and becomes a gas.
What is evaporation?
200

29+13

42

200

This month, Hanan read 17 books. Mohammed read 22 books. How many books did they read in all?

39 books

300
In what state do molecules move extremely quickly and by bouncing off each other
What is a gas?
300
When a gas is cooled it becomes a what?
What is a liquid?
300
Change from a liquid to a solid
What is freezing?
300

39+26

65

300

There are 26 first graders and 24 second graders on the playground. What is the total number of students?

50 students

400
Phase change of a gas turning into a liquid
What is condensation?
400

38+47

85

400

Hind bought 2 bags of candy. The first bag had 47 pieces. The second bag had 25 pieces. How many pieces of candy did Hind bring?

72 pieces of candy 

500

77+25

102

500

Fahad's school is having a bake sale. There are 28 cupcakes and 63 cookies. How many dessert items are at the bake sale?

91 dessert items

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