Space travel - JSS1 Basic science Past Questions and Answers - page 2
What type of force can repel or attract charged particles?
Strong nuclear force
Electromagnetic force
Weak nuclear force
Which force plays a role in the fusion reactions that power stars?
Strong nuclear force
Weak nuclear force
Electromagnetic force
What is force, and how does it affect objects?
Force is a push or pull that can change the state of motion or shape of an object. It can cause objects to move, accelerate, or change direction.
Can you explain the difference between gravity and electromagnetism?
Gravity is the force that pulls objects towards each other, such as keeping us on the ground and planets in orbit around the sun. Electromagnetism includes both attraction and repulsion between charged particles, like what holds electrons in orbit around atomic nuclei.
Why do scientists conduct space travel missions?
Scientists conduct space travel missions for various purposes, including exploration, scientific research, satellite deployment, and potential colonization of other celestial bodies.
What are some benefits of space travel?
Space travel offers benefits such as technological advancements, scientific discoveries, and a better understanding of our universe.
What are some dangers associated with space travel?
Dangers of space travel include exposure to radiation, isolation, and the challenges of surviving in the harsh environment of space.
How does weak nuclear force differ from strong nuclear force?
Weak nuclear force is responsible for certain types of radioactive decay, while strong nuclear force holds the nucleus of an atom together by overcoming the repulsion between positively charged protons.