Welcome to your GRADE 7 GENERAL SCIENCE CHAPTER 7
After carefully reading the following 30 questions, choose the correct answer.
1.
What is defined as the change in position of an object with respect to a reference point?
2.
Which type of motion describes an object moving along a straight line?
3.
What is the standard SI unit for measuring distance?
4.
Which physical quantity is calculated as the distance traveled per unit of time?
5.
What is the push or pull exerted on an object called?
6.
Which force acts between two surfaces sliding against each other and opposes motion?
7.
What is the force with which the Earth pulls objects towards its center?
8.
Which instrument is used to measure the weight of an object?
9.
What is the SI unit of force?
10.
Which of the following is an example of a non-contact force?
11.
What is defined as the capacity or ability to do work?
12.
Which form of energy is possessed by an object due to its motion?
13.
What is the energy stored in an object due to its position or height?
14.
Which energy source can be replaced by natural processes in a short period of time?
15.
Which of the following is a non-renewable energy source?
16.
What is the primary source of energy for most life forms on Earth?
17.
What type of energy is found in food and fuels?
18.
Which renewable energy source uses the movement of water to generate electricity?
19.
What term describes the wearing away or reduction of natural resources?
20.
Which of these is a way to conserve natural resources?
21.
What is the measure of the amount of matter in an object?
22.
Which force is responsible for the blades of an electric fan spinning?
23.
What happens to the speed of an object if it covers more distance in the same amount of time?
24.
Which of the following energy sources is derived from organic materials like wood and animal waste?
25.
What describes the movement of a spinning top?
26.
Which of these is a result of environmental degradation?
27.
What unit is used for measuring time in the SI system?
28.
Which force is used when a person pushes a car?
29.
What type of energy is produced by vibrating objects?
30.
Which of these resources is considered an inexhaustible resource?