0. Warm-up Questions Flashcards
Reinforce basic concepts in matter, energy, and thermodynamics to prepare for more advanced topics.
1
Q
What are the three states of matter commonly found on Earth?
A
- Solid
- Liquid
- Gas
2
Q
What is the smallest unit of an element?
A
Atom
3
Q
What is the formula for kinetic energy?
A
<p><strong>K =</strong> \( \frac{1}{2} mv^2 \) (where \( m \) is mass and \( v \) is velocity)</p>
4
Q
Name one example of a physical change.
A
- Melting ice
- Boiling water
5
Q
What is the SI unit of temperature?
A
Kelvin (K)
6
Q
Which type of energy is stored in food?
A
Chemical energy
7
Q
What happens to molecules as temperature increases?
A
They move faster
