unit 2 lesson 2

Why is vegetable salad considered a mixture?

• all of the colors and flavors fit well together

• the vegetables can be put together easily

• Each part keeps its own identity

• The particles are very small

Suppose you were asked to identify the properties of most fire trucks. Select all the terms that you could .use

• red

• slow moving

• large

• long

• soft

Tags

NGSS.2-PS1-1

NGSS.2-PS1-2

Which objects best demonstrate elasticity

• brick

• rubber band

• feather

• bungee cord

• metal fork

Which objects best demonstrate hardness

• brick

• rubber band

• feather

• bungee cord

• Iron bar

Which objects best demonstrate conductivity

• metal fork

• rubber band

• feather

• bungee cord

• Iron bar

you have a shallow container filled with ocean water. What could you do to separate the salt from the ocean water?

• add additional water to the container

• take some water out of the container

• let it stand in the sun for a while

• decrease the temperature of the water

Tags

NGSS.MS-PS3-4

a property of matter that describes an object's ability to attract or repel a magnet

• conductor

• magnetism

• hardness

• farts

Tags

NGSS.MS-PS2-3

a property of matter that describes an object's ability to reflect light

• hardness

• insulator

• reflectability

• prism

a property of matter that describes how easily something can be dent or bent

• prism

• hardness

• alloy

• mixture

can be bent without breaking

• flexible

• worms

• hard

• soft