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THIRD QUARTER SCIENCE 7 PRETEST
Quiz by Jenny Dela Vega
Track each student's skills and progress in your Mastery dashboards
What happens to the acceleration when an object is moving with uniform velocity?
How is the speed related to the distance travelled when a vehicle travels at constant time?
Which of the following is TRUE about an object that travels 5 meters to the left, then 2 meters up, then another 5 meters to the right?
You walked from your house to the main gate 3 m/s North. Which of the following quantities is used to describe your motion?
The Philippine Eagle accelerates from 26 m/s to 47 m/s in 7 seconds. What is the eagle’s average acceleration?
What is the speed of the object from 20s to 40s of its travel time?
What is the acceleration of the object from 40s to 60s of its travel time?
What can be inferred about the motion of the object in position A?
Which of the following describes the object from 40s to 80s of its travel time?
Which part of the motion graph indicates that the object is decelerating?
Which of the following BEST describes the object in position D?
Mechanical waves transport energy from one place to another through _________.
What will happen as the frequency of a wave increases and its speed remains constant?
How will you describe of the vibrations of a transverse wave?
The frequency of a wave is 2beats per second. What is the velocity of a wave if its wavelength is 4m?
What will happen as the frequency of a wave increases and its speed remains constant?
The amplitude of the wave in the diagram below is represented by letter ______.
The speed of sound varies in different media. In which medium will sound travel the fastest?
What is the source of a sound wave?
What do we call the region in the sound waves where molecules are bunched closer together?
Which of the following statements is TRUE?
Hertz (Hz) is the measure of sound wave frequency. It measures how many waves pass between two points in one second. If there are 30 waves that pass in one second, what is the sound’s frequency in Hz?
Two sound waves are traveling through a container of unknown gas. Wave A has a wavelength of 1.2 m. Wave B has a wavelength of 3.6 m. The frequency of wave B must be __________the frequency of wave A.
Mechanical waves that are created through areas of compression and rarefactions are called_________________ waves.
If a wave has a frequency of 10 Hz and a wavelength of 100 m, what is its velocity?
A boy felt like the sound level of in his room was too high. He turned the knob of his music system to make it quieter. What physical property of the sound changed and how did it change?
What type of electromagnetic radiation can damage cells of living things and is blocked by Earth’s ozone layers?
Jed wants to list types of radiation on their energy levels. Which list shows the order of radiation types from highest to lowest energy?
When white light shines through a prism, the light is separated into all its colors in what proper order?
Which of the following statements about heat is correct?
The temperature of object A is 90 0 C and object B is 30 0 C. What will be the direction of the flow of heat between these two objects if they are in direct contact?
If you stand near the stove, you will feel the heat even if you do not touch it directly. What method of heat transfer causes this situation?
Why are the handles of cooking pans and kettles covered with wood or rubber?
What is the condition necessary for heat transfer to happen between two substances or objects?
How do the warm air and cold air move during convection?
The cold air remains on top while the warm air stays at the bottom.
Which of the following statements about the charges of an atom is correct?
How does an atom become electrically charged?
According to Electrostatic Law: Unlike charges ___________, like charges____________. Which of the following is a correct pair of words to complete the statement?
How is charging by induction different from charging by conduction?