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SCI 10 UAC1 Review Flashcards | StudBud
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SCI 10 UAC1 Review
SCI 10 UAC1 Review
16 terms
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StudBud Administration
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94 plays
matter, scientific method, atomic theory, WHMIS
Flashcards
16 cards
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Questions
16
Answers
1
This model of the Atom was propose by
Bohr
Thomson
Rutherford
Dalton
2
Which of the following is a heterogeneous mixture?
water (H2O)
lucky charms
gold (Au)
salt (NaCl)
3
The Quantum Mechanical Model differs from Bohr model of the atom by
the nucleus contains of positive charges
electrons are found in clouds around the nucleus
the nucleus contains protons and electrons
electrons on found in energy levels orbiting the nucleus
4
Which of the following is not an element?
Nitrogen (N)
water (H2O)
Oxygen (O2)
Sodium (Na)
5
Which of the following would be classified as a pure substance?
mixture
colloid
element
solution
6
The two types of matter are
<p>substances and elements</p>
pure substances and mixtures
mixtures and solutions
compounds and mixtures
7
How would you classify the color of an apple?
Physical Change
Chemical Property
Chemical Change
Physical Property
8
Another name for homogeneous mixture is
a colloid
<p>a substance</p>
a liquid
a solution
9
A substance with atoms that are all alike is called
a colloid
a compound
an element
a mixture
10
Which of the following is an example of a chemical change?
burning
<p>ripping</p>
<p>melting</p>
boiling
11
Smoke is an example of what?
colloid
compound
solution
substance
12
What is the
Manipulated Variable?
An educated guess
What is measured
What is changed
A testable Question
13
What does this symbol represent?
Environmental Toxicity
Carcinogen
Fatal Toxicity
Less Serious Health Effects
14
Which of the following is an example of a physical property?
flamability
reactivity
toxicity
conductivity
15
NaCl is an example of
an element
a mixture
a compound
a colloid
16
A scientist tested the affect of exercise on blood pressure. What is the responding variable?
The age of the individuals
The amount of exercise
The group of individuals who did not exercise
The blood pressure
