WorksheetsFults Science Midterm Study Review
Total questions: 71
Worksheet time: 2hrs 45mins
Who is the scientist who proposed Continental Drift Theory?
The Theory of Pangea
The Theory of Moving Continents
The Theory of Continental Drift
The Theory of Techtonic Plates
Where do hurricanes form?
In the ocean; near the equator
In the ocean; near the poles
On land; near the equator
On land; near the poles
What type of air powers hurricanes?
Cold, dry air
Warm, moist air
Warm. dry air
Cold, moist air
When do most hurricanes form?
Summer and Fall
Spring and Summer
Winter and Spring
Fall and Winter
What type of weather does this symbol represent?
clear skies and sunny
warm weather and light showers
heavy rains and strong winds
cold weather and crazy storms
What type of front is headed for Dallas, TX?
cold front
warm front
occluded front
stationary front
The number one thing hurricanes need is...
warm water
cold air from cold fronts
cold water
strong warm front
What causes global convection currents
Forests
greenhouse gases
more land forms
uneven heating of the Earth's surface
How to warm waters contribute to hurricane development
evaporating water adds heat to the atmosphere
rising tides cause the ocean level to rise
waves cause the hurricane to develope
currents carry the warm water to the hurricane
(Paragraph A)
The location of the Sun within our Milky Way galaxy is:
At the center of the galaxy
In one of the spiral arms, away from the center
At the edge of the galaxy
In the galactic halo
What characteristics are used to classify stars?
Flammability, weight, and reactivity
Temperature/color and brightness
Conductivity, luster, and density
Malleability, distance, and viscoscity
Which star is brighter than the sun?
Sirius B
Procyon B
Van Maanan's Star
Aldebaran
How does the mass of a hot, bright main sequence star compare to a cool, faint main sequence star?
They have more mass
They have the same mass
They have less mass
What amount of force needs to be applied to a 20-kg bowling ball to give it an acceleration of 5 m/s2?
4 N
25 N
100 N
250 N
In which of the following situations will the ball have the greatest acceleration?
A golf ball with a mass of 0.045 kg is struck with a force of 1 N
A baseball with a mass of 0.142 kg is hit with a force of of 5 N
A soccer ball with a mass of 0.45 kg is kicked with a force of 20 N
A bowling ball with a mass of 7.2 kg is thrown with a force of 60 N
In which of the following graphs below are both runners moving at the same speed?
Match the description to the graph:
"The car is stopped."
Match the description to the graph:
"The car is moving at a constant speed away from the starting line."
Match the description to the graph:
"The speed of the car is decreasing."
Match the description to the graph:
"The car is coming back."
What does this graph represent?
Constant (non-zero) speed
Acceleration
Not moving
Which statement about chemical and physical changes is correct?
1 only
2 only
2 and 3
4 only
Which process represents a physical change?
Roasting a marshmallow over a campfire
Melting chocolate in a pan on the stove
Bubbling due to an antacid tablet in vinegar
Bruising of a banana's skin after dropping on the floor
When making pancakes for breakfast, a student mixes milk and vinegar, to make buttermilk. As a result of mixing milk and vinegar, the milk curdles. What type of change in matter does milk curdling represent?
Change in shape
Change in state
Chemical change
Physical change
Students conduct a laboratory investigation by rolling a toy car across a 2-meter table top. The students conduct three trials and record data in the table. What is the average speed of the toy car?
4.5 m/s
18 m/s
0.18 m/s
16.5 m/s
A student constructs a table of distances and times. Using the data, which section of the table represents the highest average speed?
Section A
Section B
Section C
Section F
A train travels 800 kilometers in 6 hours. What is the average speed of the train?
150 km/h
133 km/h
806 km/h
4,800 km/h
How many nitrogen atoms are in the chemical formula 5C8H10N4O2
20
4
24
144
The chemical formula for sulfuric acid is H2SO4
Which of the following correctly represents how many atoms of each element are present in the compound?
H-8 atoms, S-1 atoms, O-4 atoms
H-6 atoms, S-4 atoms, O-4 atoms
H-2 atoms, S-1 atoms, O-4 atoms
H-2 atoms, S-2 atoms, O-4 atoms
How many oxygen atoms are in the following chemical formula?
Al2(CO3)3
3
6
9
18
What happens to the total mass of the substances after a chemical reaction?
It decreases.
It increases.
It remains the same.
It increases then decreases.
Jin bought a heat pack that weighs 15 g. He shook it so it would release heat to warm his hands. The release of heat indicates a chemical reaction took place in a closed system. What would be the mass of the heat pack after the chemical reaction?
5 g
10 g
12 g
15 g
The chemical formula for baking soda is NaHCO3 . How many O atoms does it have?
1
2
3
4
The Coefficient (3) in the Chemical Formula, 3H2O, tells you how many _____________ there are.
Atoms of Hydrogen
Atoms of Oxygen
Atoms of Water
Molecules of Water
