B.10B

What caused the strong winds on this day?

• Air from a Low Pressure system moved to an area of High Pressure.

• Air from a High Pressure system moved to an area of Low Pressure.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Identify the area on the map that most likely has air particles packed close together?

Tags

NGSS.MS-ESS2-5

When a scientist mixed two chemicals, an exothermic reaction takes place. Which of the following would be proof that the reaction was exothermic?

• a change of color

• a change of state

• a temperature decrease

• a temperature increase

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In a neutralization reaction, an acid and a base are added to each other to form what?

• Salt and Oxygen

• Salt and Water

• Oxygen and Water

• Salt and Hydrogen

When a metal reacts with oxygen gas, the product is ...

• metal hydroxide

• metal oxide

• metal oxide and oxygen

• metal hydroxide and hydrogen gas

Tags

NGSS.MS-PS1-5

Which metal is more reactive than calcium?

• magnesium

• potassium

• silver

• aluminum

The alkali metals are in group 1, on the far left of the periodic table. Which of these is NOT an alkali metal?

• Lithium

• Iron

• Potassium

• Francium

A white baking soda solution was combined with white calcium chloride. Once combined the temperature increased, the substances bubbled, and were white in color. What indicators of a chemical change were shown?

• Temperature increase

• Color change

• Bubbling/fizzing

• Temperature increase and bubbling/fizzing

Tags

NGSS.MS-PS1-2

The force that holds 2 atoms together is called a ________________.

• Chemical Reaction

• Chemical Bond

• Diatomic Chemical

• Glue

Tags

NGSS.MS-PS1-1

In this model, the reactants are...

• 2H₂O

• H₂O₂

• 2H₂

• O₂

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5