WorksheetsHerrera Spiral Week 3
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
CO2
d)
NaCl
2.
What cannot be broken down into other substances?
a)
Compound
b)
Solids
c)
Mixture
d)
Element
3.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
4.
Which of the following an element?
a)
Copper
b)
Water
c)
table salt
d)
Carbonic Acid
5.
a)
1
b)
2
c)
5
d)
8
6.
Which of the following could be a symbol on he periodic table of elements?
a)
JZ
b)
Jz
c)
jz
d)
JZa
7.
A scientist publishes the result of an experiment. Which science skill is this?
a)
observing
b)
inferring
c)
communicating (report)
d)
hypothesizing
8.
What is a series of carefully planned steps used to test a hypothesis?
a)
a constant
b)
an observation
c)
a conclusion
d)
an experiment
9.
Why should an experiment be repeated?
a)
to form a hypothesis
b)
to see if what you assumed was correct
c)
to change controls
d)
to identify the problem
10.
What is the term for a statement that can be tested?
a)
independent variable
b)
dependent variable
c)
inference
d)
hypotheisis
11.
Name the term for a step-by-step approach to problem solving.
a)
inference
b)
observation
c)
scientific method
d)
science
12.
Which of the following can be used to test a hypothesis?
a)
experiment
b)
theory
c)
law
d)
variable
100 %
