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Ch.6 -Climate
Ch.7 -Earth in Space
Ch.20 - Matter
Ch.21 -Substances
Ch.24 -Laws of Motion
100
This word is given to the pattern of weather that occurs over many years.
What is climate?
100
The motion that describes Earth's orbit around the Sun is called this.
What is a revolution?
100
It states that the total mass of matter is the same before and after a physical or chemical change.
What is the law of conservation of mass?
100
This has a fixed composition.
What is a substance?
100
A push or pull is called...
What is force?
200
These words mean that global temperatures are rising.
What is global warming?
200
This is the results when the Earth passes between the Sun and the Moon.
What is lunar eclipse?
200
The type of change that is a change of state.
What is a physical change.
200
The measure of how much solute is in a solution is its...
What is concentration?
200
Both of these describe how fast an object is moving.
What are speed and velocity?
300
What happens when you climb a mountain?

A) temperature decreases

B) temperature increases

C) air pressure increases

D) air pressure remains constant
What is (A) temperature decreases.
300
Which moon surface features probably formed when lava flows filled large basins?

A) maria

B) craters

C) highlands

D) volcanoes
What is (A) maria?
300
This changes when the mass of an object increases while the volume stays the same.

Time Limit to answer: 120 seconds A) Color

B) Length

C) Density

D) Height
What is (C) Density?
300
What type of molecule is water?

A) polar B) ionic C) non-polar D) precipitate
What is (A) polar?
300
Which does NOT change when an unbalanced force acts on an object?

A) displacement

B) velocity

C) mass

D) motion
What is (C) mass?
400
What would you most likely find on the leeward side of a mountain range? Write on whiteboard and show teacher the answer.

A) lakes

B) rain forests

C) deserts

D) glaciers
What is (C) deserts.
400
Europa is a satellite of which planet?

A) Uranus

B) Saturn

C) Jupiter

D) Mars
What is (C) Jupiter?
400
One of these is NOT a clue that could indicate a chemical change.

Time limit to answer: 90 seconds. A) change in color B) change in shape C) change in energy D) change in odor
What is (B) change in shape.
400
Bile, an acidic body fluid used in digestion, has a high concentration of hydronium ions. Predicts its pH.

A) 11 B) 7 C) less than 7 D) greater than 7
What is (C) less than 7?
400
Which of the following exerts the force that pushes you forward when you walk?

A) static friction B) sliding friction C) gravity D) air resistance
What is (A) static friction?
500
On a sheet of paper, EXPLAIN how dust and ash from large volcanoes can change the atmosphere.
Key words or phrases in answer:

Large amounts of dust and ash

block sun's radiation

cools the planet
500
You may use your book. Find or list the sequence of the moon phases starting and ending with the new moon phase.

Time limit: 90 seconds.
What is new moon, waxing crescent, first quarter, waxing gibbous, third quarter, waning crescent, new moon.
500
EXPLAIN. A jeweler bends gold into a beautiful ring.

The change that is made to the gold?
What is physical change? Bending does NOT change the composition of the gold.
500
On a sheet of paper, EXPLAIN if it is possible to have a dilute solution of a strong acid.
Key words and phrases: YES if a small amount of strong acid is dissolved in a large amount of water, the solution will be dilute.
500
On a sheet of paper, EXPLAIN why does a baseball thrown from the outfield to home plate follow a curved path rather than a straight line?

Time limit 120 seconds to answer.
Key words and phrases:

Ball is thrown upward

ball is thrown forward

gravity causes or make the ball curve back toward the ground.