Science Final 8th Grade

What does the rotation of Earth on its axis cause?

• seasons
• day and night
• equinox
• solstice

If the same amount of force is applied to a car with a small mass that is applied to a car that is much heavier, what would happen?

• the small car will accelerate faster
• the small car will accelerate slower
• the heavier car will accelerate faster

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

2H2O + 2N → 4H + 2NO
The chemical symbols on the LEFT are called:

• products
• reactants
• yields/produces

2H2O + 2N → 4H + 2NO
The chemical symbols on the RIGHT are called:

• products
• reactants
• yields/produces

What is the formula for force?

• F=M/A
• F=A/M
• F=M*A
• F=M*F

What is the acceleration of a 50 kg object pushed with a force of 500 newtons? To solve this problem you must do - 

• 500 ÷ 50
• 50 ÷ 500
• 500 x 50

The mass of a car is 1000 kg.  How much force would be required to accelerate the car at a rate of 3 m/s²? 

• 1000 ÷ 3
• 3 ÷ 1000
• 1000 x 3

• 2
• 3
• 5

This number is  the top number in the box on the periodic table and ALWAYS equals the number of protons

• Neutrons
• Atomic Mass Number
• Group
• Atomic Number