What would be the best way to separate a mixture of salt, sand, pepper, and iron filings?
(include steps)
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Name 3 natural events that cause rapid changes to the Earth's surface and describe one change each event causes.
natural event change that occurred
Question 6
6.
Question 7
7.
Question 8
8.
Create a food chain that shows that an animal can be a consumer and prey at the same time. Be sure to include labels. Hint: Also include what starts a food chain.
Question 9
9.
Two bowling balls with equal size but different mass are rolled down a ramp. List 3 factors affecting which ball travels the farthest.
Question 10
10.
For question 9, what is the independent (manipulated) variable in the experiment?
Question 11
11.
Match the physical characteristic (property) of matter with the tool needed to measure it.
mass
volume
weight
length, width, height
magnetism
relative density
magnet
beaker or graduated cylinder
beaker and water
ruler
triple beam balance
scale
How do the molecules in water behave when heat is added and increased until it changes state?
A. They start to slow down and move closer.
B. They start moving faster and spread apart.
C. They become a solid.
D. They don't change at all.
Sequence the planets in the correct order from the sun.
Venus
Uranus
Earth
Mercury
Jupiter
Neptune
Mars
Saturn
Place each energy resource in to the correct type.
solar
natural gas
hydroelectric
oil
wind
biofuels
coal
geothermal
renewable resources
non-renewable resources
Explain how our star, the Sun, is the "source of life on Earth."
A. It is the source of energy on Earth.
B. It gives sunlight to plants to produce food.
C. It provides us with carbon dioxide
D. Without it Earth would freeze.
E. All of the above.
F. A, B, & D
Which factors effect the loading of heavy boxes onto a truck? Choose all the factors that apply.