Science Flashcards
6 cards from real NTN practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Science flashcards as text
What is Newton's First Law of Motion commonly called?
Answer: Law of Inertia
Newton's First Law states that an object in motion stays in motion and an object at rest stays at rest unless acted upon by an external force—known as inertia.
In a scientific experiment, the 'control group' is used to:
Answer: Provide a baseline for comparison with no experimental variable applied
The control group receives no experimental treatment, serving as a baseline to measure the effect of the independent variable.
Which of the following is a renewable energy source?
Answer: Solar power
Solar power is renewable because it relies on sunlight, which is a continuously available natural resource.
What state of matter has a definite volume but no definite shape?
Answer: Liquid
Liquids have a definite volume but take the shape of their container, unlike solids (fixed shape) or gases (no fixed volume).
Which of the following correctly identifies an example of chemical energy being converted to thermal energy?
Answer: Burning wood in a fireplace
Burning wood converts the chemical energy stored in wood into thermal (heat) energy.
Which part of a cell contains the genetic material (DNA)?
Answer: Nucleus
The nucleus is the cell's control center, housing DNA and directing cellular activities.