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Biology 2 Test

Authored by Travis Declet

Biology

9th Grade

Used 2+ times

Biology 2 Test
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44 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The physical stuff that makes up everything in the universe is known as

mass

elements

matter

energy

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is not a smaller part of an atom

nucleus

ion

proton

electron

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An ion is

an atom with more protons than electrons

an atom with more electrons than protons

either A or B

neither A or B

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A pure substance made of only one kind of atom is a(n)

element

ion

neutron

chemical

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Temperature is a measurement of

the amount of matter in an object

how much energy an object has

the amount of energy stored in chemicals

the speed of moving particles

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In an exothermic reaction, the products have ______ than the reactants

more energy

less energy

the same amount of energy

none of these

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is true about enzymes

they are catalysts

they are large molecules

they lower the activation energy of a reaction

all of these

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