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Interactive Science; Properties of Matter (Grade 5)
Terms in this set (33)
What are 2 forms of water?
liquid and ice
Why does ice float no matter how thick it is?
water becomes less dense when it becomes a solid
The amount of matter in an object. All living and non living things are made of matter including solids, liquid and gas.
The amount of space an object takes up. It can be measured in mL in a graduated cylinder.
The amount of matter in a given volume. D= M ÷ V
the ability of an object to attract certain materials
anything that has mass and takes up space including air
A way of describing matter. Most can be observed and described.
How do we classify an object's mass?
We can compare their weights on Earth or compare how much force is needed to move the object.
What is a pan balance?
It is used to measure mass and help classify objects
Will Matter with a lower density than water sink or float?
Will matter with a higher density than water sink or float?
What metals are attracted to a magnet?
iron, cobalt, nickel and gadolinium
What are the 3 states or phases of matter?
water, liquid, gas
What identifies the state of matter?
the motion and arrangement of it's particles. Particles always move but in different amounts.
How do you change the state of matter?
add or take away energy (such as heat or cold)
Describe a solid.
It has a definite shape and volume. The particles stay close together and in the same place. They DO NOT slide easily past each other.
Describe a liquid.
It has definite volume but NOT definite shape. Particles easily slide past each other and take the shape of whatever they are in. Forces hold the particles together.
Describe a gas.
It has NO definite shape or volume. The particles are far apart from each other. The particles form the shape of what they are in and spread out evenly in a container.
What happens when a liquid gets colder?
The particles slow down, stop gliding past each other and vibrate in place.
What is a melting point?
It is when a solid becomes a liquid. The freezing point and melting point are the same temperature.
What is the melting point and freezing point of water?
0℃ / 32℉
What is evaporation?
When particles change from a liquid state to a gas. This happens when particles are at the surface and move upward with enough speed.
What is the boiling point?
At Sea Level, it is 100℃ or 212℉. It varies with the elevation.
What is condensation?
This is when a liquid forms a gas and leaves a this water vapor on a surface such as a window or mirror.
What is a mixture?
Different materials placed together but each keeps it's own physical properties. (salad is many veggies mixed in a bowl but each keeps it's own form and properties) A mixture can be separated.
Give examples of mixtures.
sand with iron fillings, sand with pebbles or shells
What is a solution?
A mixture in which substances spread out evenly and wont settle or separate.
What is a solute?
In a solution, this is the substance that dissolves.
What is a solvent?
The substance in which a solution dissolves. Water is a good example.
How can solutions be made?
By combining 2 liquids or 2 solids
What happens in a solution?
The mass remains the same but the volume can change. Properties, such as color, can change.
What is solubility?
The ability of 1 substance to blend (dissolve) in another.
which BEST explains why all communities do not use tertiary water treatment, though this treatment removes almost 100% of waste in water
T/F: Selecting the blank field in the Clinical Status dropdown list allows you to deselect a description previously selected.
When you become so absorbed in what you are doing that you lose track of everything else, you are in a state that researchers call what?
what is the medical name for farsightedness?
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