States of Matter
The state of matter where molecules vibrate in place
solids
Something that describes a substance, it never changes!
Properties of matter
You have a Hershey's kiss, when you add heat to it it will
Melt
When the moon orbits we see
Moon phases
Shadows change length and direction because of which celestial event.... Bonus points is your name what else this event causes us to see!
Earth's Rotation
Describe how molecules are arranged in a gas
Not touching
Only 2 types of _______________ are magnetic, they are______________ & _________________
Metals, Iron & Steel
You measure the mass of liquid water to be 5g, then you put the baggie in the freezer. What happens to it? Does the mass change?
It freezes / solidifies, the mass stays the same
On July 5 you look out and notice that there is a new moon, when will there be a new moon again?
1 month
We see different constellations during different times of the year because of...
Earths Orbit around the sun
Describe how molecules are arranged in a liquid
Molecules touch but move flexibly around each other
How do we determine hardness of a substance?
a) drop it to see if it breaks
b) try to scratch it with different objects
c) try to dissolve it in water
b) try to scratch it with different objects
You have water moving around flexibly, heat energy is added, and you see bubbles...
Boiling
If you look at the moon tonight and saw a full moon, which phase would you see in 1 week? What about 2 weeks?
1 week - 3rd Quarter
2 weeks - New Moon
What time of day are shadows the shortest, and why?
Midday, the sun is right overhead so shadows are directly under the object.
Describe the shape properties of the three states of matter
Solids keep their shape
Liquids take the shape of their container
Gases spread out to fill their container
If you combine several substances, and it's color changes than....
A new substance has formed due to a chemical reaction
Evaporation
If a shadow falls to the west of an object, what time of day must it be?
Morning
Describe the volume property for each state of matter
Liquids have definite volume
The volume of gases can change because they can be compressed
They're wrong, the size of the substance does not determine if it will dissolve in water, it is a property of the substance. SALT will always dissolve in water.
When fast moving, non-touching molecules start slowing down and moving closer together until many molecules are touching.
Condensation
The planet Mercury takes 176 days to do one spin on its axis.
•Compared to the Earth, would the Sun appear to move more quickly across Mercury's sky or more slowly? Explain.
More slowly