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WorksheetsUnit 2 Vocabulary - Chemistry of Life [Biology]
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What does the prefix “hydro-” mean in biology?
a)
Fire
b)
Water
c)
Earth
d)
Sugar
2.
In science, “macro-” usually means:
a)
Tiny
b)
Medium
c)
Large
d)
Circle
3.
What does the suffix “-lysis” mean?
a)
To build
b)
To break apart
c)
To move
d)
To carry
4.
The prefix “bio-” means:
a)
Life
b)
Air
c)
Rock
d)
Food
5.
The prefix “poly-” means:
a)
One
b)
Many
c)
Circle
d)
Half
6.
In biology, words ending with “-ase” usually mean:
a)
A sugar
b)
An enzyme
c)
A protein
d)
An acid
7.
What is the smallest unit of matter?
a)
Atom
b)
Molecule
c)
Cell
d)
Proton
8.
What is a pure substance made of only one type of atom?
a)
Mixture
b)
Compound
c)
Element
d)
Solution
9.
What do you call a substance formed when two or more elements combine?
a)
Atom
b)
Ion
c)
Compound
d)
Mixture
10.
What is the term for two or more atoms bonded together?
a)
Cell
b)
Molecule
c)
Proton
d)
Element
11.
What type of bond shares electrons between atoms?
a)
Ionic
b)
Hydrogen
c)
Covalent
d)
Magnetic
12.
What type of bond transfers electrons between atoms?
a)
Ionic
b)
Covalent
c)
Hydrogen
d)
Metallic
13.
What is an atom called if it gains or loses electrons?
a)
Molecule
b)
Ion
c)
Proton
d)
Neutron
14.
Water is a polar molecule because:
a)
It has equal charges everywhere
b)
It has uneven charges
c)
It is a gas
d)
It is neutral
15.
The weak attraction between water molecules is called a:
a)
Covalent bond
b)
Hydrogen bond
c)
Ionic bond
d)
Carbon bond
16.
When water molecules stick to other surfaces, it’s called:
a)
Cohesion
b)
Adhesion
c)
Evaporation
d)
Fusion
17.
When water molecules stick to each other, it’s called:
a)
Adhesion
b)
Cohesion
c)
Capillarity
d)
Diffusion
18.
A mixture where substances are evenly distributed is called a:
a)
Compound
b)
Suspension
c)
Solution
d)
Solvent
19.
In a solution, the substance that does the dissolving is the:
a)
Solute
b)
Solvent
c)
Compound
d)
Molecule
20.
In a solution, the substance being dissolved is the:
a)
Solute
b)
Solvent
c)
Atom
d)
Element
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