HMH Unit 2 Lesson 2 Exploration 1

Characteristics of matter that you can observe or measure directly are called

• physical properties

• chemical properties

• colors

• shape

Finding common properties or characterisitcs among objects can help scientists _________________ them

• make

• classify

• see

• use

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Some properties, like reflectivity and response to magnetic forces, are important to

• restaurants

• schools

• scientists and engineers

• builders

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How easily something can be bent or dented is called

• reflectivity

• conductivity

• texture

• hardness

The ability to reflect light is called

• conductivity

• reflectivity

• magnetism

• flexibility

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________________ objects tend to be the most reflective

• smooth

• rough

• bumpy

• hard

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Garbage and recycling centers use ______________ to sort the scrap metal.

• cranes

• people

• magnets

• electricity

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Balloons have the physical propertiy of ____________________ so they can be bent into balloon animals.

• hardness

• reflectivity

• conductivity

• flexibility

Some objects are _______________ so they can bend without breaking.

• flexible

• hard

• magnetic

• reflective

Objects that are attracted to magnets are usually made of _______

• glass

• wood

• metal

• plastic

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