Semester 1 Final

A testable prediction is a(n) _____.

• Hypothesis
• Experiment
• Exercise
• Variable

A factor that changes in an experiment from the manipulation of the independent variable is the ___.

• Control
• Hypothesis
• Constant
• Dependent Variable

A factor that does not change in an experiment is the _____.

• Independent Variable
• Constant
• Dependent Variable
• None of the Above

Tags

NGSS.MS-PS2-5

How many cm are in a m?

• 100
• 10
• 1000
• 1

Which of the following mixtures would be considered a heterogeneous mixture?

• Lemonade
• Salt (NaCl) + H2O
• Kool-Aid
• Sand (SiO2) +H2O

A _____ is another name for a homogeneous mixture.

• Liquid
• Suspension
• Solution
• Solid

Melting point, boiling point, density, malleability, and conductivity are all _____.

• Chemical Changes
• Physical Properties
• Physical Changes
• Chemical Properties

Flammability, toxicity, reactivity, and oxidation are all _______.

• Chemical Changes
• Physical Properties
• Physical Changes
• Chemical Properties

What two similarities do groups on the periodic table share?

• Isotopes and mass
• Neutrons and electrons
• Shapes and sizes
• Properties and number of valence electrons

Tags

NGSS.HS-PS1-1

The number of valence electrons in an atom determines __.

• chemical properties
• isotopes
• name

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2