Mass and Volume
Mass is measured using a ____ balance or ____ ____ balance.
Pan, Triple beam
What is density?
How dense an object is. How tightly packed its matter is.
Are all metals magnetic?
NO
What makes a mixture?
A combination of 2 or more substances
What are the physical states of matter? Give an example of each.
Solid, liquid, gas.
Answers will vary
Mass is the amount of ____ in an object
matter
When an object sinks in water it is ___ ____ than water
More dense
Explain how to test whether something is magnetic or non-magnetic.
If an object is magnetic the magnet will attract it. If it is non-magnetic it will not move.
What is a solution?
A solution is a mixture in which a substance dissolves in another.
What has a definite shape and size?
Solids
Volume is the amount of ____ that _____ takes up
space, matter
When an object floats in water it is ___ ____ than water.
Less dense
Give 4 examples of magnetic objects.
Answers will vary.
Which of these mixtures is a solution?
A. Ocean Water
B. Trail mix
C. A salad
D. Soil
A. Ocean Water
What takes the shape of a container?
Liquid
What has the greastest volume?
A. A lake
B. A pool
C. An ocean
D. A glass of water
C. An ocean
How does density differ from mass?
Mass is the total amount of matter in an object, while density is how tightly packed the matter/ its particles are.
Give 2 examples of objects that are made of metal that are not magnetic.
Answers will vary
How is chocolate milk and a bowl of cereal different?
A. The bowl of cereal is uniform, and the chocolate milk is non-uniform.
B. A substance dissolved in the chocolate milk, while nothing dissolved in the cereal.
C. The bowl of cereal is made from one state of matter, while the chocolate milk is made from two states of matter.
B. A substance dissolved in the chocolate milk, while nothing dissolved in the cereal.
Describe the atoms in a solid, liquid, and gas.
Solid : atoms are tightly packed together, do not move
Liquid: they are close together, but can slide past each other freely
Gas: Well- separated, moves freely and quickly
Which unit of measure is best to find the mass of a paperclip?
A. Milliliters
B. Grams
C. Centimeters
D. Kilograms
B. Grams
Explain why a peeled orange is more dense than water and an unpeeled orange is less dense than water.
A peeled orange is more dense than water because removing the spongy peel takes away trapped air pockets, leaving behind denser flesh made mostly of water, sugar, and pulp
When two north poles are put together they ____ when a north and south pole are put together they ____
repel, attract
How is a solution different than a mixture?
A. A mixture is not easily separated while a solution is easily separated.
B. Mixtures keep their physical properties while solutions do not.
C. Solutions are a mixture of a solid and a liquid, while a mixture is a mixture of a solid and a solid.
D. Solutions are not easily separated while other mixtures are easily separated.
D. Solutions are not easily separated while other mixtures are easily separated.
True or False? Sand is a liquid because individual grains of sand can be poured and take the shape of whatever container you put them in.
False. Even though sand can be poured like water or milk, each individual grain of sand is actually a solid because it has its own fixed shape and size.