Density
Oil floats on water. This shows that oil is _____ dense than water
Less
What unit works best to measure vanilla in a recipe?
ml
True or False. A liquid takes the shape of its container because the particles are locked in a fixed position.
False
When an object is compressed it will reduce the amount of _______ that it takes up
Space (volume)
Changing a solid to a liquid to a gas, requires what?
Energy
What is the definition of density?
How closely packed molecules are in an object
What unit woks best to measure a jug of milk?
Litres
True or False. Particles are always moving
True.
What is the definition of compressibilty
How easily an object can be squished together.
What are the three phases of matter?
Solid, liquid, gas
f you have a ball of clay and a ball of cotton that are the same size, the clay is ______ because its molecules are packed tightly inside
Denser
A unit of measurement for weight or mass. Typically used to measure smaller items
grams
How do particles behave in a solid?
They are close together and vibrate in place.
Imagine a sponge and a rock. Which is more compressible?
Sponge
What state of matter does not have a definite volume and shape. Particles move around freely.
Gas
A rock has a mass of 200 g, and an equal-volume piece of wood has a mass of 100 g. Which is denser?
The rock
A unit of measurement for weight or mass. Typically used to measure larger items
Kilograms
How do particles behave in a liquid?
The are separated by spaces and slide by each other.
A student presses on air trapped in a syringe and sees its volume get smaller. This shows that air is ______
compressible
Picture a big balloon and a small balloon. Even if they're made of the same material (like rubber), the big one has more ______ because it takes up more space.
Volume
What is the definition of SI units
International system of units used to measure weight, volume and length. Such as grams, kilograms, millilitres and litres.
In which state of matter are attractive forces between particles strongest?
solid
In which state of matter are attractive forces between particles strongest?
Solid