Properties of Matter
What takes up space around furniture in a room?
Air
Snow turns to liquid water when it...
melts
Which item would attract a magnet?
Iron nail
Which tool is the best to use to place photos on a metal door?
nails, tape, magnets, or glue
magnets
A person who performs magic tricks for entertainment
Magician
Why is salt not visible in water?
Salt separates into a solution with particles that are too small to see
Ice in an ice cube tray, melting the outside, and then refreezing back in the tray to original shape is what kind of change?
Reversible change
Iron fillings and sulfur powder are combined to form a mixture. What will happen if a magnet is held over the mixture?
The magnet will only attract the iron fillings.
Which invention uses natural magnetism?
satellite, telescope, compass, or binoculars
compass
The magnets in the train and in the track allow the train to be warned when approaching a signal
Train conductor
When liquid water freezes, it forms ice. What is the physical state of an ice cube?
A solid
Taking a raw egg, cooking or hard boiling it, and trying to unfreeze it to go back to raw is what kind of change?
Irreversible change
It is white. It feels cold. It keeps its own shape. It can be moved.
Which sentence tells you an object is solid?
It keeps its own shape.
To pull to or draw toward oneself or itself means...
attract
Magnets are used to take the alarms off clothes before you are allowed to take them out of the store
Store clerk
Why does a tire hold its shape after it is inflated?
Air particles push against the inside of the tire
Take a piece of paper and burn it. Can the paper be reconstructed?
No
What are the poles of a magnet?
1. North and South
2. Positive and Negative
3. East and West
4. Red and Black
North and South
To force (something) to move away or apart
repel
Use equipment such as an MRI scan
Doctor
What are the three common states of matter?
Solid, liquid, and gas
True or False: Changing water to ice is a chemical change.
FALSE
Which material should be used for a magnetic board?
cardboard, glass, steel, wood
Steel
Non-contact force acting on an object
1. a bat hitting a baseball
2. a paper clip attracted to a magnet
3. a refrigerator pushed across the floor
4. a bicycle tire rubbing against the road
A paper clip attracted to a magnet
Use magnets to help them navigate by using a compass