a. wooden picnic table
b. steel swing set
c. glass window
d. plastic chair
B. steel swing set
a. use soapy water
b. use filtered water
c. use water from water bottles bought at the store
d. use rainwater collected in containers
d. rainwater
Which of the following best explains why scientists study fossils.
a. to learn about rocks that formed many years ago
b. to learn about different types of old minerals
c. to learn about extinct organisms
d. to learn about ancient technologies humans used
C
What is the name for the ability for something to be dissolved
solubility
A student looks into a mirror and sees the wall behind them. Which best describes why the student sees the wall
a. light reflects the mirror
b. light curves around the mirror
c. light passes through the mirror
d. light scatters when it hits the mirror
a. light reflects the mirror
What is one way a town can help the environment?
a. heat buildings with oil and gas
b. build a development in a forested area
c. install street lights all through town so people can see at night
d. build a water treatment plant that cleans and recycles water
d. water treatment plant
What part of a sunflower produces seeds?
a. flower
b. leaf
c. root
d. stem
a. flower
a. hardness
b. color
c. rusting
d. density
c. rusting
When a tuning fork is hit, it vibrates and makes a sound. Why?
a. the tuning fork creates sound waves that carry kinetic energy
b. the tuning fork creates sound waves that carry electrical energy
c. the tuning fork creates sound waves that carry magnetic energy
a. kinetic energy
What best describes how Earth moves in the months between June 21 to December 21
a. Earth makes half a rotation on its axis
b. Earth moves farther away from the Sun
c. Earth moves half a revolution around the Sun
d. Earth begins to rotate more slowly in its orbit
c. half a revolution
a. producers because they produce sugars
b. composers because they produce sugars
c. consumers because they recycle materials
d. decomposers because they recycle materials
d. decomposers
The air we breath and the gases around earth are located in the
atmosphere
Which of the following characteristics of wood determines how many books a bookshelf can safely hold?
a. flexibility
b. hardness
c. strength
d. weight
c. strength
Name the 4 spheres of Earth (bonus if you can give examples/definitions of them)
Hydrosphere
Biosphere
Atmosphere
Geosphere
Which of the following describes how vegetable plants use photosynthesis to grow?
a. they use energy from the sun to convert air and water to sugar
b. they use energy from sugar to convert sunlight into air and water
c. they use energy from air and water to convert sunlight to sugar
d. they use energy from sunlight to convert sugar into air and water
a. use sunlight to convert air and water into sugar
Which of these items is an abiotic example
a. branches on a tree
b. soil
c. worms
d. flower
b. soil
Describe how the same substance can be in all 3 states at the same time
Water (ex)
solid - freezing
liquid - melting
gas - evaporting
How does a canyon becomes wider and deeper over time?
a. water carries rock particles away from the canyon
b. caves form in the canyon walls and rock particles move into them
c. earthquakes cause the rocks to move away from each other
d. volcanic activity causes the rocks to become larger
a. water
Polar bears hunt seals from sea ice in the Arctic. Warming Arctic temperatures have reduced the amount of ice, making it hard for polar bears to find food. How has the reduced amount of sea ice most likely affected polar bears?
a. they swim less
b. their fur is changing color
c. they eat more food
d. their population size is decreasing
d. population is decreasing
Draw and label the parts of the water cycle