Elements, Compounds, & Atoms
Give an example of an element and it's symbol
H, O, Fe, Pb
Is breaking glass a physical or chemical change?
Physical
What is the formula for calculating average speed?
S=d/t
Name the three types of Heat Transfer.
Conduction, Convection, and Radiation
What is the largest celestial body at the center of the solar system in which all other celestial bodies orbit around due to it's immense gravity.
The Sun
Give an example of a compound and it's formula
NaCl, H2O
Rusting metal is a _______ ________.
chemical change
John runs 5 miles towards the East.
Is this an example of speed or velocity?
Which way does heat move?
from hot places to cold places
Explain the difference between orbiting and rotation of a planet. How long does it take for Earth to make one orbit (revolution) and one rotation?
Orbiting is when a planet make a trip around the Sun and rotating is when a planet spins on it's axis.
Orbit=1 year (365 days) Rotation=1 day (24 hours)
Is O2 an element or compound? Why?
An element because it only has one capital letter meaning it is only made of one type of atom.
When you mix baking soda and vinegar together, it forms bubble which is evidence of what?
a new substance is formed, specifically a gas
If mailman starts his workday leaving the post office and travels a total 75 miles for the day and then ends the workday by returning back to the post office. What was the displacement of the mailman?
0
Heat is transferred through ________ when two things are touching.
conduction
Use the sentence to list the order of the planets in the Solar System from closest to the Sun to furthest.
My Very Educated Mother Just Served Us Nachos
1. Mercury 2. Venus 3. Earth 4. Mars 5. Jupiter 6. Saturn 7. Uranus 8. Neptune
Is the following an element or compound and how many elements does it have: C6H12O6
Compound, 3
The formation of solids from a solution is known as a ____________. (examples: milk going sour or mixing milk and vinegar)
Precipitate
Lauren drives 100 miles in 50 minutes. What was her average speed on this trip? Be sure to include the unit of measurement.
2 miles per minute
Explain the relationship between the particles of matter and kinetic energy when heat increases.
When heat increases, kinetic energy increases causing the particles to move faster.
Explain the difference between an asteroid and a meteor.
An asteroid is a small or large rock that orbits around the Sun while a meteor is a small object that enters the Earth's atmosphere.
How many atoms does Fe have and how many are there total?
C6H12O6Fe
1, 25
Explain why dissolving sugar in water is a chemical change?
It isn't because no new substance is formed. The sugar is only being broken down into smaller pieces.
Two people are pushing a car with a dead battery with forces of 20 N and 25 N in the same direction. There is also the force of friction in the opposite direction of 15 N. What is the net force applied on the car?
30 N
Explain the movement and spacing of particles for each state of matter.
Solids vibrate in place and are tightly packed together.
Liquids are loose sliding past each other.
Gases are spread apart and moving very fast.
Answer the following questions:
1. What is between Mars and Jupiter?
2. What is just outside of Neptune?
3. What creates a big sphere around the entire outside of the Solar System?
1. The Asteroid Belt
2. The Kuiper Belt
3. The Oort Cloud