Answers SY2025-26 - 2002070 MJ Comprehensive Science 2 Sem 1 CRUnit Test

Unit Test — Unit test Answers

0 verified answers

Free Preview

Students working on plant extracts want to test the hypothesis.Extracts of Bougainvillea flowers are effective in reducing symptoms of acne in teenage girls.The students are denied permission to conduct such an experiment for ethical reasons. What is the most likely reason for being denied permission?

lack of proper equipment

too much of a time commitment

not enough funding

humans as test subjects

Free Preview

Which example is a pseudoscientific process?

examining how sleep affects the brain

using dreams to predict future events

studying sleepwalking by analyzing sleep patterns

interpreting sleep-wake cycles through brain signals

What is an example of a hypothesis leading to a new experiment?

Upon seeing bacteria under the microscope, scientists theorized that they could be the cause of illness.

Galileo dropped different balls off of the Leaning Tower of Pisa to explain how things with different weights fall at the same speed.

Galileo had the idea that objects of different weight will fall at the same speed. He tested this by dropping different balls off of the Leaning Tower of Pisa.

Upon seeing that bacteria caused illnesses, scientists developed the electron microscope to be able to see viruses.

Why is scientific notation used?

to round numbers to the nearest whole number

to promote reproducibility of data

to increase the validity of data

to express very large or very small numbers

Candace is interested in learning more about colors. Which question about colors could be answered through scientific investigation?

Which color bends the most to make a rainbow?

What color of scented marker has the best smell?

Which flower has the prettiest shade of purple on its petals?

What is the best-looking color on a high-performance sports car?

Did you find these answers helpful?

Unit Test — Unit test Answers

More from this Course

TRY EDGENUITY HACKS