States of Matter
Anything that takes up space and has mass is?
matter
A change that does not create a new substance.
physical
The tool used to separate iron fillings from a mixture.
Mia made punch for a school picnic. She added sugar, strawberries, raspberries, and mint leaves to soda water. Which of these will dissolve in the soda?
sugar
What tool can you use to measure the volume of water?
In which state of matter are the particles packed together in a tight pattern?
solid
Physical or chemical change? Water becoming ice.
physical change
What do you call two or more substances that are combined and do not change their physical properties?
a mixture
Bianca adds 3 tbs of cocoa mix to milk. It does not all dissolve. What could she do to the milk to get the cocoa to dissolve completely?
A filter it B heat it C freeze it D evaporate it
B heat it
This state of matter has mass, takes up space, and fills the container it is in.
gas
What does matter need to change its state?
a change in temperature
Physical or chemical change? Chocolate melting.
physical change
The tool used to separate gravel from a mixture.
a sieve or sifter
Luis’s class is studying how science and cooking are related. They learn that some substances will dissolve in water and others will not. Which of these will NOT dissolve in water?
A baking soda B salt C sugar D oil
D oil
Evidence in a chemical reaction that a gas is formed.
bubbles
Which state of matter has no definite volume?
gas
Physical or chemical change? A match burning.
chemical change
The tool used to separate salt from a saltwater mixture.
hot plate, or evaporation (heat)
Tanya is doing an experiment on if temperature affects the rate of dissolving. What would be her control group and her variable?
control group - room temp
variable - temperature
Nathan went swimming at the lake over the weekend. While he was playing on the shore, he found a small chunk of cement and a stick, which appeared to be the same size. What would be the best way for Nathan to compare the volume of the stick and of the chunk of cement?
A. Throw them in the lake and see which one will sink.
B. Use a ruler to measure the length of each of the objects.
C. Place them each on a scale and see which one weighs more.
D. Place them in a bucket of water and see which one raises the water level the most.
D
A ____________ has a definite volume but takes the shape of its container.
a liquid
Physical or chemical change? A bike rusting.
chemical change
Which one of the following techniques would best be used to separate soil and water?
A filter B sieve C magnet D tweezers
A filter
Name the three ways to speed up the rate of dissolving.
increase heat
crush it! (more surface area)
In science, we often gather information with our senses by watching, listening, smelling, and touching. For example, in a plant experiment, you may measure the growth of a plant over time. What is this process called?
making observations