Which of the following is the symbol (abbreviation) for the metric prefix micro?

4.36 L = _ mL

76.5 mg = _ g

56,009,000 m = _ Gm

What is the standard form of 3.45 x10^-5?

What is the scientific notation for 81,030,000,000

What is the scientific notation for 103,000,000

What is the standard form of 5.2001 x10^8?

What is the scientific notation for 0.000006921

How many significant figures are in the following number 2.00 x 10⁷?

Identify the piece of lab equipment.

Identify the piece of lab equipment.

Identify the piece of lab equipment.

What is the graduation of this thermometer?

Jimmy's nose burns from inhaling ammonia. Instead of inhaling, he should have wafted the ammonia. Should Jimmy tell the teacher about his nose?

An atom or a molecule that possesses an electrical charge. This is a definition of

A community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. This is a definition of

A measure of the average kinetic energy of individual atoms or molecules in substance. This is a definition of

How close a measure value is to the actual (true) value. This is a definition of

The energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors. This is a definition of

Mr. Krabbs wants to make Bikini Bottoms a nicer place to live. He has created a new sauce that he thinks will reduce the production of body gas associated with eating crabby patties from the Krusty Krab. He recruits 100 customers with a history of gas problems. He has 50 of them (Group A) eat crabby patties with the new sauce. The other 50 (Group B) eat crabby patties with sauce that looks just like new sauce but is really just mixture of mayonnaise and food coloring. Both groups were told that they were getting the sauce that would reduce gas production. Two hours after eating the crabby patties, 30 customers in group A reported having fewer gas problems and 8 customers in group B reported having fewer gas problems.

Identify the independent variable.

Mr. Krabbs wants to make Bikini Bottoms a nicer place to live. He has created a new sauce that he thinks will reduce the production of body gas associated with eating crabby patties from the Krusty Krab. He recruits 100 customers with a history of gas problems. He has 50 of them (Group A) eat crabby patties with the new sauce. The other 50 (Group B) eat crabby patties with sauce that looks just like new sauce but is really just mixture of mayonnaise and food coloring. Both groups were told that they were getting the sauce that would reduce gas production. Two hours after eating the crabby patties, 30 customers in group A reported having fewer gas problems and 8 customers in group B reported having fewer gas problems.

Identify the dependent variable.

Mr. Krabbs wants to make Bikini Bottoms a nicer place to live. He has created a new sauce that he thinks will reduce the production of body gas associated with eating crabby patties from the Krusty Krab. He recruits 100 customers with a history of gas problems. He has 50 of them (Group A) eat crabby patties with the new sauce. The other 50 (Group B) eat crabby patties with sauce that looks just like new sauce but is really just mixture of mayonnaise and food coloring (regular sauce). Both groups were told that they were getting the sauce that would reduce gas production. Two hours after eating the crabby patties, 30 customers in group A reported having fewer gas problems and 8 customers in group B reported having fewer gas problems.

Identify the control group.

Johnny wakes up one morning. He swallows and thinks, “Man my throat hurts. I think I might have strep throat.” He tells his mom and she calls the doctor. At the doctor appointment, the doctor takes a sample from Johnny’s throat. The sample is sent to the lab. Later that day, the doctor’s office calls Johnny’s house with directions for Johnny to take antibiotics because he has strep throat.

Which of the following would be consider Johnny's hypothesis?

Johnny wakes up one morning. He swallows and thinks, “Man my throat hurts. I think I might have strep throat.” He tells his mom and she calls the doctor. At the doctor appointment, the doctor takes a sample from Johnny’s throat. The sample is sent to the lab. Later that day, the doctor’s office calls Johnny’s house with directions for Johnny to take antibiotics because he has strep throat.

Which of the following would be consider the experiment?

Johnny wakes up one morning. He swallows and thinks, “Man my throat hurts. I think I might have strep throat.” He tells his mom and she calls the doctor. At the doctor appointment, the doctor takes a sample from Johnny’s throat. The sample is sent to the lab. Later that day, the doctor’s office calls Johnny’s house with directions for Johnny to take antibiotics because he has strep throat.

Which of the following would be consider the conclusion?

Patrick believes that fish that eat food exposed to microwaves will become smarter and would be able to swim through a maze faster. He decides to perform an experiment by placing fish food in a microwave for 20 seconds. He has the fish swim through a maze and records the time it takes for each one to make it to the end. He feeds the special food to 10 fish and gives regular food to 10 others. After 1 week, he has the fish swim through the maze again and records the times for each.

Identify the independent variable.

Patrick believes that fish that eat food exposed to microwaves will become smarter and would be able to swim through a maze faster. He decides to perform an experiment by placing fish food in a microwave for 20 seconds. He has the fish swim through a maze and records the time it takes for each one to make it to the end. He feeds the special food to 10 fish and gives regular food to 10 others. After 1 week, he has the fish swim through the maze again and records the times for each.

Identify the dependent variable.

Density is found by

What is the density of an object if the mass is 4 grams and the volume is 2 mL?

Suzi is wearing a pink sweatshirt. Suzi's favorite color must be pink.

Which sentence is a direct observation?

Suzi is wearing a pink sweatshirt. Suzi's favorite color must be pink.

Which sentence is an indirect observation?

The basketball has a mass of 245 grams.

What kind of observation is this?

The basketball is orange.

What kind of observation is this?

If the density of a substance is 3 g/mL and you have 3 mL of the substance, what mass would you have?