District Quarter 2 Science Review

A student observes a substance that is highly reflective and able to conduct electricity. The substance also has a high melting point. Which is the MOST likely classification for this substance?

• nonmetal

• glass

• metal

• plastic

Hasheem has four unknown substances. He wants to know which substances are metal. He makes some observations of each substance and records his data in the table. Based on Hasheem's observations, which characteristics MOST likely describe metals?

Choose all of the materials that can conduct electricity. (Select 3)

• iron

• glass

• wood

• silver

• copper

Which material does NOT conduct electricity?

• copper

• silver

• carbon

• iron

Missy and Ethan discussed examples of the types of changes in matter. In which example is a chemical change taking place?

• A piece of metal is cut in half.

• An ice cube melts on a counter.

• A camper roasts marshmallows over a burning fire.

• A baker mixes together flour and sugar to make dough.

Tags

NGSS.MS-PS1-2

Which is evidence of a chemical reaction?

• the light produced by magnesium when burned

• the evaporation of water from a solution

• the fizzing of a soft drink

• the heat from a light bulb

Tags

NGSS.MS-PS1-2

When iron combines with oxygen in a moist environment, rust forms because of a

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the building block of all matter?

• Energy

• Mass

• Atoms

• Bricks

Tags

NGSS.MS-PS1-1

Which of these is a physical property of matter?

• Formation of a gas

• Rust

• Change in state of matter

• Combustable

Tags

NGSS.MS-PS1-4

Which of the following is NOT a characteristic of metals?

• High melting point

• Conducts electricity

• Non-reflective

• Ductile