Final R Test

Plants and animals are made up of millions of tiny what?

• atoms
• cells
• particles
• dots

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

A rigid layer that lies outside the cell's  membrane is...

• Cytoplasm
• Cell membrane
• Cell Wall
• Flagella

Tags

NGSS.4-LS1-1

surrounds the cell (window screen); regulates what enters/leaves cell: holds the cell together

• vacuole

• cell wall

• cell membrane

• lysosome

Which of these are characteristics of most cells?

• make their own food
• can only be seen using a microscope
• they all have a cell wall
• they are found only in humans

Tags

NGSS.MS-LS1-1

What color is sunlight?

•  yellow
• orange
• white 
• red

The only type of energy waves you can see are 

• xrays
• light waves
• microwaves
• radio waves

Laser beams are more powerful than regular light because

• they are coherent or in step

• all light waves are red.

• they do not travel in straight lines.

• they have bright colors.

A red flower is red because it

•  can not produce any other color but red
• reflects every color of light except red
• absorbs every color of light except red
• refracts ever color in the rainbow

Which material is translucent?

• a piece of wood.

• a window

• wax paper

• my cat

All sound is made when something causes matter to

• change its state
• transform into an electrical signal
• vibrate
• loose energy