Search Header Logo

Energy Flow Unit Test 1

Authored by Ashley Mason

Science

9th - 10th Grade

NGSS covered

Used 14+ times

Energy Flow Unit Test 1
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

46 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which phrase best describes an exothermic chemical reaction?

does not absorb any energy

forms products with higher bond energy than reactants

is in a state of equilibrium

releases more energy than it absorbs

Tags

NGSS.HS-PS1-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the products in this reaction: 6H2O + 6CO2 → C6H12O6 + 6O2

6H2O and 6CO2

6CO2 and C6H12O6

6H2O, C6H12O6, and 6O2

C6H12O6 and 6O2

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-5

NGSS.HS-LS1-6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemical reactions that absorb more energy than they release are called

exothermic

catalyzed

endothermic

activated

Tags

NGSS.HS-PS1-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The activation energy needed for a chemical reaction is decreased by a

catalyst

reactant

product

substrate

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In the lock-and-key model of enzyme function pictured below, what is happening during the second step?

The catalyzed reaction is releasing a product.

The enzyme is breaking bonds in the substrate.

The enzyme is keeping the bonds the same in the substrate

The substrate is beginning to bind to the enzyme.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the activation energy of a biochemical reaction is lowered, then

the reaction will happen faster

the reaction will happen more slowly

this will not affect the rate of the reaction

both A and B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The molecule that an enzyme binds to is known as its

substrate

monomer

polymer

complimentary base

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?