Worksheets3rd Grade Physical Science
Total questions: 30
Worksheet time: 42mins
The force of _______ pulls things toward Earth.
magnetism
friction
gravity
none of the above
The force of _______ can push or pull objects if they are made of iron or steel.
magnetism
friction
gravity
An electric stove changes electrical energy into---
light energy
mechanical energy
heat/thermal energy
sound energy
When you plug in a lamp and turn the switch on, what is the evidence that energy is present?
You have to turn it off to see the evidence of energy.
You turned the switch on.
The light is shining.
You hear a click.
When you observe motion or movement, what kind of energy are you observing?
Light
Electrical
Thermal
Mechanical
Which state of matter has a definite shape and volume?
solid
liquid
gas
Which state of matter takes the shape of the container and flows?
solid
liquid
gas
Which state of matter fills its container and takes the shape of it?
solid
liquid
gas
What is the mass of the lemon?
20 g
30 g
60 g
70 g
What is the process where a solid changes to a liquid?
freezing
evaporating
condensing
melting
What is the process where a liquid changes to a gas?
freezing
evaporating
condensing
melting
What is the process where a gas changes to a liquid?
freezing
evaporating
condensing
melting
What is the process where a liquid changes to a solid?
freezing
evaporating
condensing
melting
When thermal energy is added, a solid changes to a ___________.
solid
liquid
gas
When thermal energy is added, a liquid changes to a ___________.
solid
liquid
gas
When thermal energy is taken away, a liquid changes to a ___________.
solid
liquid
gas
When thermal energy is taken away, a gas changes to a ___________.
solid
liquid
gas
Which two properties of a chocolate candy bar will stay about the same after the chocolate bar is heated and melts?
physical state and shape
hardness and temperature
color and mass
texture and thickness
What will happen to the mass of 100 mL of water when it freezes?
There will be more mass.
The mass will stay the same.
There will be less mass.
What will happen to the volume of 100mL of water when it freezes?
The volume will increase.
The volume will stay the same.
The volume will decrease.
A student puts a soft drink and ice cubes into a glass. Later there is water on the outside of the glass. Where did the water come from?
The water squeezed through the glass to the outside.
The water came from the melting ice cubes.
The water came from water vapor in the air.
The water moved up the side of the glass and over the top.
A mirror gets fogged up when someone takes a hot shower. What is the process that explains why water drops form on the mirror?
melting
freezing
evaporation
condensation
Chris left a glass of water on the table by his bed and forgot about it. A few days later, much of the water was gone. What happened to the water?
It melted.
It evaporated.
It condensed.
It froze.
A __________ is two or more materials spread out evenly in one another.
mixture
compound
salad
candy bowl
A student went swimming. What type of energy did she use to move?
thermal
mechanical
sound
light
What forms of energy are produced by a campfire?
thermal and mechanical
electrical and sound
thermal and light
light and electrical
A student used a hot plate to heat water in a glass beaker. The hot plate changed electrical energy into __________ energy.
thermal
mechanical
light
sound
Air has mass.
True
False
What force causes a ball to eventually stop rolling after it is kicked?
friction
electricity
gravity
magnetism
A spoonful each of sand, sawdust, and steel staples are mixed together. Which statement best describes the mixture?
The mixture cannot be separated.
The properties of density and magnetism can be used to separate the mixture.
The properties of particle size and mass can be used to separate the mixture.
