SPS8C

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. What should be kept constant? 

• type of plant, flower pot,  soil, and amount of sunlight

• water, apple juice, milk

• only the amount of sunlight

• type of plant only

Tags

NGSS.MS-LS1-5

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method

• recipe

• data collection

• metric system

Tags

NGSS.MS-PS1-2

If I floss more, then I will have fewer cavities. What is the independent variable?

• Number of cavities

• Amount of flossing

• Type of floss used

• Amount of brushing

What is the independent variable on this graph?

• Number of push ups

• Days

Tags

NGSS.MS-PS3-1

During which month did Sam have a weight of 73 Kg?

• January

• February

• May

• March

What is a constant? 

• the normal situation

• the thing we measure in the end

• the thing we are testing

• the thing we keep the same for every part of the experiment

What is the independent variable?

• Months

• Temperature

• Highs

• Lows

Tags

NGSS.MS-PS3-4

if 150g of NaClO3 were added to a 100g of water at 60 degrees Celsius the solution would be...

• saturated

• supersaturated

• unsaturated

• over saturated

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

if 40g of KBr were added to a 100g of water at 80 degrees Celsius the solution would be...

• unsaturated

• over saturated

• supersaturated

• saturated

if the pH level is between 8 and 14 it is

• acidic

• soluble

• basic

• neutral