Checking

What are the reactants (taken into) of cellular respiration? (Mark all of them!)

• oxygen

• glucose

• carbon dioxide

• water

• energy

Tags

NGSS.HS-LS1-7

Curious Carl conducted an experiment on the eating habits of black bears. While living in the woods, Carl was able to record the daily diet of five bears. After a year of observation, Carl summarized his findings in the graph. According to his data, which statement is an inference rather than an observation?

• The bears ate more plants than animals.

• The bears ate more large animals than fish.

• Given a choice, bears would rather eat plants.

• Only a small portion of the bears' diets were rodents.

Tags

NGSS.MS-LS2-1

Predict the reason the scientific community rejected the idea of cold fusion?

• Other scientists were tried to contact them and they would not answer.

• Cold fusion was a topic that was cited frequently among the scientific community.

• Scientists in the community were unable to replicate the experiment with the same methods and obtain the same results.

• The original scientists were unable to attend a science community meeting involving cold fusion to explain their evidence.

What is the process of checking the accuracy of a scientific experiment called?

• Validation

• Verification

• Calibration

• Replication

Which of the following is a method for checking the purity of a substance in chemistry?

• Filtration

• Distillation

• Chromatography

• Evaporation

In physics, what is the term for checking the consistency of units in an equation?

• Dimensional analysis

• Unit conversion

• Factor labeling

• Unit checking

Which instrument is used for checking the pH level of a solution?

• Thermometer

• Barometer

• pH meter

• Hygrometer

What is the primary purpose of a control group in a scientific experiment?

• To check the effect of the variable

• To provide a standard for comparison

• To ensure the experiment is valid

• To increase the sample size

Which of the following is a method for checking the concentration of a solution?

• Titration

• Filtration

• Centrifugation

• Decantation

In biology, what is the process of checking the genetic makeup of an organism called?

• Genotyping

• Phenotyping

• Cloning

• Sequencing