Physical Science-Unit 0

What is 86,000,000,000 in scientific notation?

• 8.6 x 10¹¹

• 86 x 10¹⁰

• 8.6 x 10¹⁰

• 8.6 x 10^-10

What is the scientific notation for 0.00000000135?

• 13.5 x 10^-10

• 1.4 x 10⁹

• 1.35 x 10^-10

• 1.4 x 10^-9

What is the long form for 5.25 x 10¹⁵?

• 5,250,000,000,000,000

• 0.00000000000000525

• 5.2500000000000000

• 0.52500000000000000

What is the long form for 4.57 x 10^-7?

• 0.0000457

• 0.000000457

• 4,570,000,000

• 457,000,000,000

For any laboratory experiment, what should be the first step? a. form a hypothesis b. state the problem c. perform the experiment d. write the conclusion

• Form a hypothesis.

• State the problem.

• Perform an experiment.

• Write the conclusion.

A testable prediction of what would happen at the end of the experiment.

• Theory

• Hypothesis

• Experiment

• Variables

The variable which responds to the change made by the experimenter and is plotted on the y-axis is called the ________ variable.

• Independent

• Experimental

• Control

• Dependent

A tropical fish store wants to see whether a new, more expensive fish food causes fish to grow faster. She sets

up an experiment using three groups of ten clown fish each. The fish in group A receive a diet of 3 grams of the

new fish food. Fish in group B receive 3 grams of the old fish food. Fish in group C receive a mixture containing 2

grams of new food and one gram of old food. The length of each fish is measured weekly.

What is the independent variable in the above experiment?

• Type of fish food

• Type of fish

• Length of fish

• Time of feeding

Tags

NGSS.MS-LS2-1

A tropical fish store wants to see whether a new, more expensive fish food causes fish to grow faster. She sets

up an experiment using three groups of ten clown fish each. The fish in group A receive a diet of 3 grams of the

new fish food. Fish in group B receive 3 grams of the old fish food. Fish in group C receive a mixture containing 2

grams of new food and one gram of old food. The length of each fish is measured weekly.

What is the dependent variable in the above experiment?

• Type of fish food

• Type of fish

• Length of fish

• Time of feeding

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

A tropical fish store wants to see whether a new, more expensive fish food causes fish to grow faster. She sets

up an experiment using three groups of ten clown fish each. The fish in group A receive a diet of 3 grams of the

new fish food. Fish in group B receive 3 grams of the old fish food. Fish in group C receive a mixture containing 2

grams of new food and one gram of old food. The length of each fish is measured weekly.

What are the constants?

• Brand of fish food.

• Groups of clown fish.

• Number of individual fish.

• Same amount of food given daily.

Tags

NGSS.MS-ETS1-1