REVIEWEER SCIENCE 3

 It is a form of energy which allows you to see things around.

• A. light

• B. heat

• C. sound

• D.  energy

What materials do not let any light pass through them?

• A. transparent 

• B. translucent

• C. opaque

• D. Absorption

When light can easily pass through an object, we say that that object is _____ .

• A. transparent 

• B. translucent

• C. opaque

• D. Absorption

What materials that let some light rays pass through but scatter some of the

    other rays?

• A. transparent 

• B. translucent

• C. opaque

• D. Absorption

A straw sitting in a glass of water looks broken because light travels more slowly through the water than air. This is an example of ____________.

• A.  reflection

• B. refraction

• C. prism

• D. absorb

 Why should Mrs. Reyes uses oven mitts when taking cookies out of a hot oven?

• A.  The oven mitts will protect her hands from the heat.

• B. The oven mitts look pretty

• C. The oven mitts will keep his hands warm

• D. The oven mitts will keep her hands clean

 Heat travels from?

• A. Cooler objects to warmer objects.

• B. Wet objects to dry objects.

• C. Smooth objects to rough objects.

• D. Warmer objects to cooler objects.

Why does a mug feel hot after you pour coffee in it?

• A. The air in the room is heating the mug.

• B. The mug will not feel warm.

• C. Your hand warms the mug.

• D. The heat is transferred from the coffee to the mug.

Omar rubs two sticks together quickly. When he stops rubbing the sticks, he notices that they are warm to touch where he rubbed them. Which type of

energy has been produced?

• A. heat energy

• B. light energy

• C. sound energy

• D.  energy

What kind of heat transfer happens when the sun is heating your body?

• A. conduction

• B. convection

• C. radiation

• D.  density