Cell division results in two new cells. Which of these statements correctly describes the relationship of these two new cells and the parent cell?
What is the new cells have genetic material that is identical to the parent cell?
100
Which type of reproduction involves two parents and results in offspring that are not genetically identical to either parent?
What is sexual reproduction?
100
Researchers often conduct scientific experiments as part of an investigation. Good experiments follow organized procedures. Which of these phrases describes another characteristic of a good scientific experiment?
What is results that can be replicated?
100
An object that reflects every color appears....
What is white?
100
Which description defines heat?
What is energy transferred between objects at different temperatures?
200
Alisha and Rob would like to have children. A genetic counselor tells them that they are both carriers of a certain genetic disease. What does this mean?
What is they both have an allele for the disease and could pass this allele on to their children, even though neither of them has the disease?
200
Which of these statements is true for organisms that reproduce asexually?
What is compared to organisms that reproduce sexually, organisms that reproduce asexually are less likely to expend energy caring for their offspring.?
200
Which description defines a test (independent) variable in a scientific experiment?
What is any factor that is changed on purpose during an experiment?
200
An object that absorbs every color appears....
What is black?
200
As energy in the form of heat is added to an ice cube, it begins to melt. What causes melting?
What is the transfer of thermal energy to the ice cube causes its molecules to move faster?
300
Which of these choices best describes a pedigree?
What is a diagram of family relationships that includes several generations?
300
During a class project, Felicia makes a poster to compare scientific laws and scientific theories. Which of the following statements should Felicia include on her poster to summarize the difference between scientific laws and scientific theories?
What is scientific theories explain why something happens, and scientific laws describe what happens?
300
Ashley conducts an investigation on the effects of water amounts for seed sprouting. She knows that replication and replicable results are important for the quality of the investigation. How can Ashley determine if her results are replicable?
What is Ashley can ask other students to perform the experiment?
300
A car battery stores 12 V of energy. Of this energy, 9 V converts to electrical energy. The re-maining energy converts to thermal energy. What is the efficiency of the battery?
What is % efficiency = energy out/energy in x 100.
Therefore, 9/12 = .75 x 100 = 75%?
300
During science class, Sophie measures the temperature of water every minute as it is heating. After a few minutes, the temperature is 82 °C. How far below the boiling point of water is this?
What is 18 °C, water boils at 100°C
400
Which of these statements is true of binary fission?
What is a single parent organism splits equally to form two new offspring organisms?
400
Electromagnetic radiation is energy that travels in waves. Some examples of EM radiation are visible light, radio waves, and x-rays. What is true about visible light, radio waves, and x-rays?
What is they all travel at the same speed?
400
Through which medium does a mechanical wave travel most quickly?
What is solid?
400
A lamp releases only light and thermal energy. The energy input of the lamp is 120 watts. Of that input, 80 watts is converted to light. How much energy is converted to thermal energy?
What is 40 watts, 120 - 80 = 40?
400
Which of the following determines where a population can live?
What is whether its needs are met by the abiotic and biotic factors in the habitat?
500
Which of these lists includes three types of asexual reproduction?
What is binary fission, budding, spore formation, and vegetative reproduction?
500
Which of these events might lead to the modification of a scientific idea?
What is two scientists doing the same experiment in different parts of the world under the same conditions get the same results?
500
A frog in green light appears green because it ________________ green.
What is reflects?
500
When determining the temperature of a substance, what property of its particles is being measured?
What is average kinetic energy?
500
What is a population?
What is a group of individuals of the same species living in the same area?