A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

• the male alligators

• the gender of the alligator

• the temperature

• the incubator

Tags

NGSS.MS-LS1-5

Which question can best be investigated by a scientist?

• Should I buy a red shirt or a green shirt?

• Does chocolate milk or plain milk taste better?

• Does a plant need sunlight to grow?

• Which feels softer, cat fur or dog fur?

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Mitochondria

• Ribosome

• Endoplasmic Reticulum

Tags

NGSS.MS-LS1-2

What is the acceleration due to gravity on Earth?

Which gas is most abundant in the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the process by which plants make their food?

• Respiration

• Photosynthesis

• Digestion

• Transpiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a chemical change?

• Melting of ice

• Boiling of water

• Rusting of iron

• Breaking of glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the main function of red blood cells?

• Fight infections

• Transport oxygen

• Clot blood

• Produce hormones