Honors Physical Science E.O.C. 2018

Which of the following properties of water enables it to move from the roots to the leaves of plants?

• Water expands as it freezes.
• Water is an excellent solvent.
• Water exhibits cohesive behavior.
• Water moderates temperature.

Tags

NGSS.MS-ESS2-4

Why does ice float?

• it is more dense than water
• it is less dense than water
• it is a solid
• it is made of water

A scientist is collecting data on the number of times a cricket chips per minute. What sense is the scientist most likely using to make observations?

• hearing
• smell
• sight
• touch

Justin blows his nose, but mucus seems to leak through the tissue.  He decides to test which tissue holds up the best while sneezing.  What is the independent variable?

• sneezing
• Justin
• amount of tissue
• type of tissue

A well-tested explanation for a wide range of observations or experimental results is called this.

• scientific model
• scientific method
• scientific theory
• scientific law

A statement that describes what scientists expect to happen every time under a particular set of conditions is called this.

• scientific model
• scientific method
• scientific theory
• scientific law

Which is an example of a chemical reaction?

• paper cut into small pieces
• chocolate melting in a pan
• flour and sugar mixed in a bowl
• cookies baking in an oven

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This contains most of the mass of an atom

• Electron Cloud
• Nucleus
• Electron

Which is located outside the nucleus of an atom? (8.7)

• electron
• ion
• neutron
• proton

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number