Grade 2 science
Solids, Liquids and Gas
Air is a ________
Gas
True or False. All liquids flow at the same speed.
False
What is force?
A push or a pull
The circular rotation found in a tornado or whirlpool is called what?
vortex
A pencil is an example of a ________. (liquid, solid or gas)
Solid
When water turns from a liquid to a solid it _____. (freezes/melts)
Freezes
Which liquid flow more slowly, white glue or lemonade?
glue
What force holds everything to the Earth?
Gravity
True or False. A blizzard has very fast wind speeds that can last a long time.
true
Shampoo is an example of a ________. (liquid, solid or gas)
Liquid
Do paper clips float or sink in water?
Sink
True or false. All solids dissolve in water.
False
Is gravity a push or a pull force?
Pull
What is density?
What is the solid form of water?
Ice
What is the name for the type of energy that is when heat travels from hotter to cooler places?
Thermal Energy
What happens when we mix sugar into hot water?
It dissolves
Friction occurs when ____________________.
Two objects rub together.
Name at least three continents on Earth.
Asia, North America, South America, Antarctica, Australia, Africa, Europe
What is the definition of a liquid?
Something that takes the shape of its container.
Which one is the BEST CONDUCTOR or heat
Metal, Wood , or paper
Metal
What would the particles in a solid look like- are they spread out or close together?
Packed very close together
Which force attracts metals? Gravity, Heat, or Magnetic?
Magnetic force
Name a natural disaster.
answers will vary