Natural Science Grade 9

What is a unicellular organism?

• An organism with many cells

• An organism with no cells

• An organism with only one cell

• An organism with a specific amount of cells

Which one is the structure of a cell membrane?

• 
• 
• 
• 

What does a plant cell have that a animal cell doesn’t?

• Mitochondria

• Chloroplast

• Cell wall

• Cell membrane

What element is the symbol : Mn

• Maganese

• Mercury

• Zine

• Magnesium

What element is the symbol : Ag

• Argon

• Gold

• Silver

• Beryllium

What element is this symbol: F

• Phosphorus

• Sulfur

• Uranium

• Fluorine

What is the Symbol for Platinum

• P

• Pl

• Pt

• Ph

What is a compound

• 1 element

• 2 or more elements put together

• Only 3 elements put together (nothing less nothing more)

• A substance

How many molecules does NaCl have

• 1

• 4

• 2

• 3

How many molecules does 4HCl have

• 2

• 5

• 3

• 4