Which tool would you use to measure the length of a leaf?

1.   ?    meterstick
2.   ?    compass
3.   ?    ruler
4.   ?    graduated cylinder

You have a bag that says it contains 25 grams of raisins. Which tool would you use to check to be sure this information is correct?

1.   ?    spring scale
2.   ?    triple beam balance
3.   ?    graduated cylinder
4.   ?    meterstick

You are on a hike in the woods. Which tool would you use to find your way back to camp?

1.   ?    compass
2.   ?    meterstick
3.   ?    stopwatch
4.   ?    camera

Which of the following is not safe to do in the science lab?

1.   ?    wash your hands
2.   ?    take a drink of water
3.   ?    put on safety goggles
4.   ?    know how to use a fire extinguisher

Marta is planning an experiment about plants. She says, "Plants grow better in sunlight." This statement is an example of

1.   ?    data
2.   ?    an investigation
3.   ?    a procedure
4.   ?    a hypothesis

What effect might cutting down a large forest have on the air in that location?

1.   ?    Carbon dioxide increases and oxygen decreases.
2.   ?    Carbon dioxide decreases and oxygen increases.
3.   ?    Levels of oxygen and carbon dioxide stay the same.
4.   ?    Levels of all gases increase.

Obsidian is a rock fromed from cooled magma. What kind of rock is obsidian?

1.   ?    sedimentary
2.   ?    metamorphic
3.   ?    igneous
4.   ?    fossil

Why is it important to have several trials for an investigation?

1.   ?    You can vary the procedure.
2.   ?    You can use different variables.
3.   ?    You can check to be sure your data are accurate.
4.   ?    You can estimate your data.

Which of the following is a nonrenewable energy resource?

1.   ?    wood
2.   ?    coal
3.   ?    wind
4.   ?    falling water

After a rain, Angel noticed that a puddle in his driveway was gone the next day. What change took place?

1.   ?    melting
2.   ?    evaporation
3.   ?    condensation
4.   ?    freezing

Heather examined a solid item that was not shiny. It broke when she tried to bend it, and it did not conduct heat. What kind of matter was Heather examining?

1.   ?    metal
2.   ?    plastic
3.   ?    aluminum
4.   ?    glass

What process can change rock into soil?

1.   ?    weathering
2.   ?    deposition
3.   ?    erosion
4.   ?    decay

The arctic fox has white fur in the winter. Other animals cannot easily see it on the snow. What type of adaptation is this?

1.   ?    physical
2.   ?    learned
3.   ?    behavioral
4.   ?    instinctive

What organisms are the producers in this food web?

1.   ?    worms and protozoa
2.   ?    ferns and grass
3.   ?    insects and rodents
4.   ?    insects and soil bacteria

The process by which organisms make more organisms of the same kind is called

1.   ?    growth
2.   ?    development
3.   ?    reproduction
4.   ?    offspring

All of the following are renewable energy resources except

1.   ?    falling water
2.   ?    sunlight
3.   ?    wind
4.   ?    fossil fuels

According to the graph, what percentage
of our energy comes from fossil fuels?

1.   ?    51.0
2.   ?    69.5
3.   ?    18.5
4.   ?    3.2

The tilt of the Earth's axis determines

1.   ?    the length of a day
2.   ?    the seasons
3.   ?    the length of the year
4.   ?    the phases of the moon

When a piece of paper burns, chemical energy changes to _______________ energy.

1.   ?    mechanical
2.   ?    kinetic and potential
3.   ?    heat and light
4.   ?    electrical

According to the table, which planets have about the same gravity?

1.   ?    Mercury and Earth
2.   ?    Saturn and Mars
3.   ?    Mercury and Jupiter
4.   ?    Earth and Uranus