How does a cell membrane help an animal cell? a. it keeps cell parts inside b. it stores heredity information c. it dissolves nucleic acids d. it makes proteins
a. it keeps cell parts inside
Andre wants to connect the pieces of his electrical circuit. Which material will make the BEST wire? a. copper b. plastic c. glass d. dental floss
a. copper
A microscope would be MOST useful for observing
a. the skin of a snake b. the motion of atoms c. the legs of a flea d. blood cells
d. blood cells
A reservoir is a. a flood b. a levee c. a man-made lake d. a dam
c. a man made lake
An earthquake is the result of a. erosion b. tectonic plate movement c. human intervention d. seismological studies
b. tectonic plate movement
What do chloroplasts do? a. break down food b. capture energy and make food c. provide support for the cell d. make protein
b. capture energy and make food
Which of the following materials is LEAST likely to build up static electricity? a. rubber b. wool c. aluminum d. plastic
c. aluminum
If you dissolved a lot of salt in some water in a large flat dish and put the dish in bright sunlight on a hot day, what would be left in the dish after a long time? a. dry salt b. water with no salt c. the same salty water as before d. nothing
a. dry salt
A constructive process results in a. the build up of landforms b. the destruction of landforms c. the build up of tectonic plates d. the destruction of tectonic plates
Which of these BEST describes the movement of a tectonic plate? a. faster than a race car b. faster than a horse, but slower than a race car c. slower than a horse, but faster than a turtle d. slower than a turtle
d. slower than a turtle
What must an object have in order to be attracted to a magnet? a. hardness b. iron c. copper d. gold
b. iron
Why do scientists use microscopes to study plant cells? a. to make plant cells grow and divide b. to see green cells instead of white cells c. to separate plant cells from other cells d. to see cells they cannot see with just their eyes
d. to see cells they cannot see with just their eyes
In which state would an earthquake MOST LIKELY occur? a. Kentucky b. Georgia c. California d. Oklahoma
c. California
Invertebrates do NOT have what physical structure listed below? a. eyes b. brain c. spine d. hair
c. spine
Sean has a purple piece of construction paper on his desk. His teacher asks him to name an activity that would chemically change the paper. Which of his answers is correct? a. pour water on the paper b. squish the paper into a ball c. eat the paper d. put magnets on the paper
c. eat the paper
What was the ancient supercontinent called? a. Pangaea b. Pandora c. Panacea d. Polyanna
a. Pangaea
In the Sahara desert, sandstorms often blow across the desert which can change the surface of rocks. Classify this process. a. wind power b. wind weathering c. wind erosion d. wind exposure
c. wind erosion
How do bacteria and fungi help the environment? a. They help us produce proteins b. The cause "red tides" c. They make bread and cheese d. They cause diseases
c. They make bread and cheese
Jake has a nail, a wire, a battery, paper clips, and a bar magnet. His goal is to make an electromagnet. Which of the items mentioned will he have left over after the electromagnet is complete? a. the nail, the wire, and the battery b. the nail and the paper clips c. the battery and the paper clips d. the paper clips and the bar magnet
d. the paper clips and the bar magnet