Science

Why is it important to form a hypothesis before performing an experiment?

• Developing a hypothesis ensures that the lab will be safe

• The experiment will take too much time to complete if there is no hypothesis

• The hypothesis tell what the experiment is go to be testing

A student is working on a science project and is going through each step of the scientific method. After the student conducts his or her first experiment and records the results of the experimental test, what should the student do next?

• communicate the results

• Draw a conclusion

• Repeat the experiment

• Create a hypothesis

A dog is an omnivore. What would you expect a dog's diet to consist of?

• Meat

• Vegetables

• Both meat and vegetables

• Neither meat nor vegetables

Electrical cords, such as the cords of a television or the cord on a toaster, are covered with rubber or plastic. What would you expect to happen if a portion of the rubber covering were missing when you tried to plug the cord in?

• The appliance would not work after it plugged in

• The person plugging the appliance in would feel an electric shock

• The cover does not matter, all appliances would work normally

What is the atomic number of oxygen?

• 5

• Sandwich

• 8

• 17

Tags

NGSS.MS-PS1-1

How long does it take for light to get from the Sun to the Earth?

• 150 million years

• 10 seconds

• 8 minutes

• Sandwich

Tags

NGSS.MS-ESS1-1

What is the molecular structure of table salt?

• Sandwich

• Molecular who?

• H2O

• NaCl

Tags

NGSS.MS-PS1-1

Energy=____to the speed of light squared

• Gravity

• Mass

• Sandwich

• Lightning

Tags

NGSS.MS-PS3-1

What female Nobel Prize winner conducted research on radioactivity?

• Sandwich

• Tierra Guinn

• Marie Curie

• Isaac Newton

Tags

NGSS.HS-PS1-8

Who was Dimitri Ivanovich Mendeleev?

• Periodic table inventor

• Sandwich

• A singer

• An Astronomer

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5