Study Guide for Summative - PS.7 and PS.9

Multiple Choice

Mirrors ______ light waves.

• absorb

• reflect

• refract

• transmit

Multiple Choice

Describe the image produced by a plane mirror:

• virtual and inverted

• virtual and upright

Multiple Choice

Describe the image produced by a concave mirror, if the mirror is far away:

• inverted

• upright

Drag and Drop

Lenses ​

Placeholder

light.

Drag these tiles and drop them in the correct blank above

refract

reflect

Multiple Choice

Describe the image produced by a convex lens, if the object is far away:

• real and inverted

• real and upright

Match

Match the everyday use to the correct lens or mirror:

• concave lens

• convex lens

• concave mirror

• convex mirror

binoculars

magnifying glass

make-up mirror

passenger side mirror in a car

• binoculars

• magnifying glass

• make-up mirror

• passenger side mirror in a car

Dropdown

White clothing ​

Select answer

all light waves, and keeps the person ​

Select answer

.

Dropdown

Black clothing ​

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all light waves, and makes the person ​

Select answer

.

Match

Match the EM wave to its use.

• X-Ray

• Gamma Ray

• Ultraviolet (UV)

• Microwave

create a picture of bones and teeth

kill cancer cell

used in tanning beds

used to quickly cook food

• create a picture of bones and teeth

• kill cancer cell

• used in tanning beds

• used to quickly cook food

Multiple Choice

Lightning is an example of _______ electricity in nature

• current

• static

Multiple Choice

Static electricity is a build-up of negatively charged _________ .

• electrons

• neutrons

• protons

Dropdown

In the PhET lab, the balloon stuck to the wall, because the protons and electrons were ​

Select answer

to each other.

Multiple Choice

Current electricity is a _________ flow of electrons.

• continuous

• lack of

• temporary

Dropdown

A steel rod is a good ​

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.

Dropdown

A plastic door frame is a good ​

Select answer

.

Dropdown

A glass window is a good ​

Select answer

.

Dropdown

A copper wire is a good ​

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.

Dropdown

In a power plant, electrons transfer energy and do ​

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by moving a ​

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over a distance. The electrons are performing a useful task.

Dropdown

When energy is transferred from mechanical to electrical in the ​

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, some energy is changed to ​

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energy and transferred to the surrounding area as heat.

Dropdown

Electric motors used for electric cars and also many household appliances. Motors convert ​

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energy to ​

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energy. 

Dropdown

Generators convert ​

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energy to ​

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energy. We use generators to make power for our homes at power plants.​

Multiple Choice

An electromagnet is a ________ magnet. 

• permanent

• temporary

Multiple Choice

When the circuit between the nail and the power source (___________) is broken, the iron is no longer magnetic.

• battery

• nail

• wire

Dropdown

Wrapping the wire around the nail more times would ​

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the magnetic field. 

Dropdown

Lowering the battery voltage would ​

Select answer

the magnetic field.