CKLA unit 5 Week 1 Vocabulary

concave means to

• flat surface

• curving inward; shaped like a bowl

• curving outward; rounded; shaped like the outside of a bowl

convex means to

• a flat surface

• curving inwards; shaped like the inside of a bowl.

• curving outward; rounded; shaped like the outside of a bowl.

a plane is

• a flat surface

• curving inward; shaped like a bowl

• curving outward; rounded; shaped like the outside of a bowl

When something is clear or see-through and lets light in it is...

• translucent

• transparent

• opaque

When something is not clear and blocks all light so that none gets through it is...

• Translucent

• Transparent

• Opaque

When light or heat bounces off a surface this is called

• reflection

• refraction

• projection

When light and heat are taken in or soaked up this is called

• opaque

• dense

• absorb

Lines of light that travel in a straight line from a bright object

• waves

• rays

• lazers

• Splash

An area of darkness created when light is blocked by something

• absorb

• reflection

• translucent

• shadow

a shiny surface that reflects light

• opaque

• plane

• mirror

• convex