Matter and Energy
How do you know if a mixture is a solution?
dissolve
invisible
blend evenly
After vapor rises into the atmosphere, when the water vapor cools, it will most likely
condense and form clouds
A group of students measured the air temperature, precipitation, and wind direction of an area outside of their school on a Tuesday at 9:00 AM. Which statement below best describes the type of data they collected?
Weather, because the information was collected at a specific day and time.
Students use a ramp with a smooth surface and a rough surface to roll a ball down. What are they most likely investigating?
Does the surface affect the distance traveled
A student has sand, salt, water, and shells mixed together in a bottle. The student wants to separate this mixture into at least three components. What are the procedure to separate them?
1. Use filter paper to separate the salt water from the sand and shells. 2. Evaporate the water leaving behind the salt, letting the sand and shells dry. 3. Use a screen to separate the sand from the shells.
The light bulb in a circuit comes on when a switch is closed because
The switch closes the circuit and allows electricity to flow in a complete path
A metal and iron container is a _________ of ________ energy?
conductor
thermal
What happens to light when it hits a mirror?
It bounce back- reflect
What type of energy is a DJ using when he announces the next song on the radio?
sound energy
A student measured the distance a toy car rolled down a ramp covered with foil paper. The student then measured the distance the same toy car rolled down the same ramp covered with sand paper. What is he most likely investigating?
Does the surface of the ramp affect the distance the car rolls down the ramp?
A fifth grade class mixed salt and pepper in a bowl. The salt and pepper grains were the same size. What would be the easiest way for the students to separate the salt and pepper?
Stir the mixture in water, then use a filter to remove the pepper
What must you do to each circuit?
Trace form the + Pos to the - Neg, sides of the battery in order for the lights to come on.
Light can refract through one object, then reflect of another.
True or False
True
A type of energy is people cheering at a game?
Sound
The physical properties of a copper penny, a wooden toothpick, and an iron nail. Which are magnetic, and more dense than water.
iron nail
Objects were blown into a swimming pool by a strong wind. The objects included metal paper clips, foam, pebbles, and a metal. Which of the following are the best ways to remove all objects from the pool?
The foam cup is less dense than water and can be removed from the surface with a net.
The metal paper clips and metal spoon are more dense than water and can be collected using a magnet.
How does the Sun interact with the ocean?
The thermal energy from the Sun heats the ocean, causing the water to evaporate
What are the parts of the water cycle?
evaporation
condensation
precipitation
run off
Weather or Climate:
Annual
over 30 years
climate
How to separate salt, iron filings, and water?
Pass a magnet over the mixture
Boil the mixture
Why does a pencil, person, and other things appear larger in water?
Refraction
How does light travel through a prism?
Its bend- refracts
What is a variable?
Something that changes in a experiment.
Weather or Climate?
today
Yesterday
last week
on Wednesday
Weather