Question: Choose your answer.

In cherry tomatoes, red color (R) is dominant to yellow color (r). If two heterozygous plants are crossed, what percentage of the offspring will be yellow?

OPTIONS:
- 0%
- 25%
- 50%
- 100%
My Answer: 25%

Question: Choose your answer.

A meeting of scientists, called a symposium, occurs every year to share recent research about the atmosphere of Earth. This symposium mainly serves which purpose in science?

OPTIONS:
- to test research methods used by other scientists
- to develop questions about space research
- to discuss the meaning of new discoveries
- to explain gas properties to the general public
My Answer: to discuss the meaning of new discoveries

Question: Choose your answer.

Thousands of years ago, several species of large mammals existed in North America. These species became extinct not long after the first human settlement of North America. Which human activity most likely contributed to the extinction of these mammals?

OPTIONS:
- hunting
- waterway pollution
- habitat destruction
- competition for resources
My Answer: hunting

Question: Choose your answer.

A student is dropping objects of various sizes and shapes and recording the time it takes for each object to hit the ground. Which question is the student most likely trying to answer?

OPTIONS:
- What force slows some objects down?
- What force pulls objects to the ground?
- Do some objects fall more quickly than others?
- Do objects break or bounce when hitting the ground?
My Answer:
Do some objects fall more quickly than others?