Science Flashcards
What is the scientific method?
A systematic process for experimentation that is used to explore observations and answer questions.
What is the powerhouse of the cell?
Mitochondria
Who proposed the theory of evolution by natural selection?
Charles Darwin
What is the chemical symbol for gold?
Au
Multiple Choice: What is the primary gas found in the Earth’s atmosphere? (A) Oxygen (B) Nitrogen (C) Carbon Dioxide
B
What are the three states of matter?
Solid, liquid, gas
Fill in the blank: The force that attracts objects toward each other is called __________.
gravity
What is the pH scale used for?
To measure the acidity or alkalinity of a solution.
What is the most abundant element in the universe?
Hydrogen
What is Newton’s second law of motion?
Force equals mass times acceleration (F = ma).
True or False: Electrons have a positive charge.
False
What is the primary component of the Earth’s crust?
Silicate minerals
Multiple Choice: Which scientist is known for the laws of motion and universal gravitation? (A) Einstein (B) Newton (C) Galileo
B
What is the function of chlorophyll in plants?
To absorb light energy for photosynthesis.
What is the primary function of the nervous system?
To transmit signals between different parts of the body.
Fill in the blank: The process by which cells divide is called __________.
mitosis
What is the most common type of rock in the Earth’s crust?
Igneous rock
What is the role of the cell membrane?
To protect the cell and regulate what enters and leaves.
What is the formula for calculating density?
Density = mass/volume
Multiple Choice: What is the main component of the Earth’s atmosphere? (A) Oxygen (B) Nitrogen (C) Carbon Dioxide
B
