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True or False
100

A long tube containing mirrors allowing the user to see over the top of something.

Periscope

100

Light bounces off the object into your eyes.

Reflect

100

Who invented to Centigrade scale?

a) Fahrenheit

b) Celsius

c) Kelvin

Celsius

100

Light travels from a __________.

source

100

A mirror reflects back to back

False, a mirror reflects front to back.

100

An object that gives light.

Light Source

100

To change from a liquid to a solid

Freeze
100

In condensation a gas change to:

a) Solid

b) Liquid

c) Ice

Liquid

100

Sort how else melts from slowest to fastest.

a) In the fridge

b) In the freezer

c) In the sun

d) On the table


In the freezer

In the fridge

On the table

In the sun

100

Light travels from a source

True

100

The outer layer of an object.

Surface

100

To change from a liquid to a gas.

Evaporate

100

At what temperature does water boil?

0o Celsius

50o Celsius

100o Celsius

100o Celsius

100

What are three sources of light?

Sun, Lamp, Fire

100

We mostly measure temperature in Fahrenheit

False, we mostly measure in Celsius.

100

A type of coasted glass which reflects a clear image.

Mirror

100

To change from a gas to a liquid.

Condensate

100

At what temperature does water freeze?

0o Celsius

-273o Celsius

-100o Celsius

0o Celsius

100

Why does a mirror reflect light?

It has a smooth and shiny surface.

100

Water boils at -100o Celsius.

False, water boils at 100o Celsius.

100

A ray of light.

Beam

100

To change from a solid to a liquid.

Melt

100

Heated water changes to:

a) Solid

b) Liquid

c) Gas

Gas

100

What happens when water freezes?

It turns to ice.

100

Light reflects of objects into our eyes.

True