HMH Unit 2.2 Lesson Roundup pg 125

Supposed you were asked to design a machine that would be made of materials that will best conduct electricity. Select those that would be useful to you.

• plastic

• wood

• aluminum

• gold

• rubber

Tags

NGSS.MS-ETS1-1

You have a ripe apple and a picture of a stop sign. Both of these objects are _____ in color, so they can be sorted this way.

• red

• purple

• green

• yellow

Tags

NGSS.2-PS1-1

Two things that can be sorted by similar size are a _________ and a ________.

• button and paper clip

• button and ice cream cone

• paper clip and shoebox

Tags

NGSS.2-PS1-1

When sorting by shape, ____________ and __________ would be in the same category.

• ice cube and ice cream cone

• ice cube and shoe box

• paper clip and grasshopper

• shoe box and appple

Tags

NGSS.2-PS1-1

A scientist has a special container of ocean water. She wants to keep it so she can study it further. Her lab gets a lot of sunlight every day. What can she do to keep the ocean water from turning into just a pile of salt?

• cover the container to prevent evaporation

• increase the temperature of the container

• separate the water into different containers

• add more plain water to the container

A solution is a special type of mixture. An alloy is a special type of solution. Select all of the properties of an alloy.

• can be easily separted

• very strong

• made of metals

• high elasticity

• conductivity