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STAAR Review 4 part 1

STAAR Review 4 part 1

Assessment

Presentation

Science

9th Grade

Easy

NGSS
HS-PS1-2

Standards-aligned

Created by

Rosario Baiza

Used 4+ times

FREE Resource

7 Slides • 3 Questions

1

STAAR Review 4

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2

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3

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4

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5

Multiple Choice

Enzymes are proteins that catalyze chemical reactions. a catalyst ....

1

slows down reactions

2

speeds up reactions

6

Multiple Choice

Enzymes are able to speed up (catalyze) chemical reactions because they lower....

1

the heat released

2

the energy needed to start the reaction

3

The substrate needed for the reaction

7

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8

Multiple Choice

If an enzyme is in unfavorable conditions (too hot, cold, too acidic) they will most likely...

1

freeze up

2

twist into a different 3D shape

3

Denature- lose its shape and become useless

9

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10

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STAAR Review 4

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