M2 General knowledge science

How many cm³ of liquid are there in this measuring cylinder?

• 2.3

• 2.65

• 3.3

• 3.45

Density is best described as the relationship between which two quantities?

• Mass and volume

• Mass and weight

• Volume and weight

• Mass and buoyant force

How many neutrons does this fluorine atom contain?

• 9

• 10

• 19

• 28

Tags

NGSS.MS-PS1-1

How is 0.000055 written in scientific notation?

• 5.5 x 10⁵

• 55 x 10^-5

• 5.5 x 10^-5

• 5.5 x 10^-6

Which of the following are reactants in the photosynthesis reaction?

• Light and oxygen

• Sugar and oxygen

• Water and carbon dioxide

• Sugar and carbon dioxide

Tags

NGSS.MS-LS1-6

What does this hazard symbol mean?

• Irritant

• Corrosive

• Explosive

• Radioactive

A man uses three different fertilisers on three separate lawns each containing the same type of grass. He waits two weeks and takes note which lawn is the greenest. What is the independent variable?

• The type of fertiliser

• The greeness of the lawn

• The amount of water

• The type of grass

Tags

NGSS.MS-LS1-5

A blood cell is placed in a saline solution (salty water). What will happen to the cell?

• It will get bigger

• It will get smaller

• It will stay the same size

Tags

NGSS.MS-PS1-2

Which of the following options best describes the diagram if each circle is an atom?

• Compounds

• A mixture of elements

• A mixture of compounds

• A mixture of elements & compounds

Tags

NGSS.MS-PS1-1

One hundred times one millimeter is

• one hectometer

• one meter

• one decimeter

• one decameter