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Gateways to Science Features
23
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Unit 2: Matter and Energy
Lesson 1: Classifying Matter
© REGION 4 EDUCATION SERVICE CENTER. ALL RIGHTS RESERVED.
Instruct students to complete the science notebook entry as you circulate among
the groups.
Let’s Explore!
Page 18
1. Observe the buttons.
2. Decide which physical property you will use to sort the
buttons.
3. Classify the buttons.
4. Raise your hand when you are finished so your teacher can
make observations of your work.
Record your answers to the following questions.
1. Which physical properties did you use to classify the
buttons? Answers will vary and may include that
physical properties such as color, size, or shape were
used to classify the buttons.
2. How man
y groups did you make? Answers will vary based
on which physical property students used to classify the
buttons.
3. How man
y buttons were in each group? Answers will
vary based on the number and types of buttons students
classified.
Facilitation Questions
Is there more than one way to classify the buttons? Why? Yes, the buttons have
many physical properties.
How did
you classify the buttons? Answers will vary and may include color, size,
shank/no shank, number of holes, etc.
Scienc
e
Wide Ruled
ve
Teacher Note
A shank is located on the back
of some buttons. The shank
has a hole in it for a button to
be sewn to a piece of clothing.
UNIT 2: Matter and Energy
Lesson 1: Classifying Matter
Materials
For each student
RM 1
Evaluate
Teacher Instruction
Instruct students to to complete RM 1: Assessment—Classifying Matter.
RM 1 Answer Key
1. A
2. J
3. A
4. G
5. D
6. G
RM
1
2
3
4
5 5 5 5
6
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Lesson 1: Classifying Matter
Gateways to Science, STAAR Edition, Grade 5Page 1 of 6
UNIT 2: Matter and Energy RM 1
1 The items above are most likely classified by —
A material
B texture
C shape
D function
Group A
Group B
Group C
Assessment—Class ifying Matter
Science Notebook Icon
quickly indicates the need
for students to use a science
notebook.
Facilitation Questions
assist in guiding and scaffolding
instruction.
Reproducible Master (RM)
Snapshots and Answer Keys
offer an at-a-glance view. RM Answer
Keys are placed in lesson to reduce
the amount of printed materials.
Teacher Note
provides helpful tips and
information.
Student Pages
are embedded in all lessons
for ease of use and include
answers to student edition.
