Font size
WorksheetsT2 FINAL EXAM SCIENCES G5
Total questions: 24
Worksheet time: 12mins
Choose the answer that best explains one reason why conservation of freshwater is important
Freshwater should be conserved because it is limited to Earth's groundwater
Freshwater should be conserved because it can be found in large quantities on Earth
Freshwater should be conserved because it is limited to Earth's oceans
Freshwater should be conserved because it is the only water that can be consumed by humans
Less than 1 percent of Earth's freshwater is readily available for human and animal use. Where is the majority of the remaining freshwater located?
in ice caps and glaciers
in the atmosphere
in the oceans
in lakes and rivers
Lakes and rivers are part of the
hydrosphere
geosphere
Around 97 percent of the water on Earth's surface is ..... water
salt
fresh
A reservoir is an artificial lake that is built to ...... water for a later time
store
produce
How are you able to determine the physical properties of a substance?
By using the senses to smell, taste, hear, feel, or see it
By comparing it to the substances that surround it
The maximum amount of a substance that can be dissolved by another substance is called the
conductivity
solubility
colloid
............ property is a characteristic that can be observed and measured
chemical
physical
Which property measures the amount of space an object takes up
reflectivity
solubility
volume
A ____ is a physical combination of two or more substances.
mixture
suspension
matter
solution
Mixtures that have parts that are not uniformly mixed together are called....... mixtures.
homogeneous
heterogeneous
Smoke is an example of a _____ because its suspended particles are small enough that they do not settle.
colloid
suspension
positive
When salt is placed in a glass of water and dissolves, it is an example of a
mixture
solution
While sitting in your house, you notice that there are particles of dust floating in the air.These particles of dust that are suspended in the air are an example of a(n)
solid
solution
gas
aerosol
Which of the following would make sugar dissolve faster in a cup of water?
Add cold water and stir.
Add warm water and stir.
Which is not one of the three common forms of matter
solid
liquid
gas
density
The particles that make up a gas are than the particles in a liquid
farther apart
closer together
During an experiment, you add heat energy to a liquid. What state of matter will the liquid become
solid
gas
metal
Determine which of the following scenarios would result in a chemical change.
Ice cubes melting in a glass of water
Wood burning in a campfire
Butter melting in a pan
Mixing food coloring and water is an example of a ..... change
physical
chemical
Which is an example of a physical change?
a candle burning
rust on a bicycle
ice cream melting
Which are signs that a chemical change has taken place? Select all that apply
change in mass
formation of a gas
formation of a mixture
change in temperature
Baking soda and vinegar combined to make carbon dioxide is an example of a ..... change
chemical
physical
Which is an example of a chemical change?
salt and pepper are mixed
a coin rusts
a ball of clay is split in two
