Give an example of a solid
desk, books, table
How should you separate iron filings from sand
Using a magnet
What term best describes changing from a solid to a liquid?
a. melting
b. evaporation
c. freezing
d. condensation
a. melting
What happens to ice if it sits out on a sunny day
it melts!
How would you separate salt from water?
Evaporation
Give an example of a liquid
water, juice, milk
When a chocolate bar is heated, it will...
melt
Name a lab safety rule
Answers will vary
what are the particles like in a solid?
Vibrating close together
What physical change takes place when you go from a liquid to a gas?
evaporation
freezing
melting
evaporation
Give an example of a gas
air, carbon dioxide, oxygen, helium
What type of weather will cause the most evaporation?
a. snowy
b. cloudy
c. rainy
d. sunny
d. sunny
Paris builds a snowman. Over the week, the snowman melts. What describes the order in which the water changes?
a. evaporated, frozen, melted
b. frozen, melted, evaporated
c. frozen, evaporated, melted
b. frozen, melted, evaporated
Which two words are NOT examples of matter?
milk
kindness
water
oxygen
clouds
glass
juice
dreams
dreams
kindness
What physical change occurs when a solid turns into a liquid?
evaporation
freezing
melting
melting
Based on the observations, what phase of matter is Mystery Matter 1 in?
Observations:
- Takes the shape of its container
-Volume changes when you remove the lid from the container
gas
A student places a measuring cup of water in the classroom on Monday. By Friday, what will happen to the cup of water?
a. there will be more water
b. there will be less water
b. there will be less water
What is the hot flame called of a Bunsen Burner?
Blue Flame
-takes the shape of the container
-keeps the same volume when the lid is removed
liquid
what physical change occurs when you go from a liquid to a solid
evaporation
freezing
melting
freezing
What happens to water in a glass if it is cooled in the freezer?
the water will freeze
Draw the particles in a solid, liquid, and gas
Solid-organized in rows and columns
liquids-close together but not in rows
gas-spaced far apart
Balloons are filled with helium gas. What will happen to the helium gas if the balloon pops?
it will spread into the air
What is matter?
anything that has mass and takes up shape
What is a hypothesis?
A informed guess on what you think will happen in an experiment