GED Science 22723

A blue whale is 30-m long and has a mass of 40,000 kg (400 metric tons). Determine the weight of a blue whale in newtons. _________ Weight = mass × acceleration due to gravity (g) g = 9.8 m/s²

Tags

NGSS.MS-PS2-2

Balance the equation by writing the correct numbers in the blanks provided

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Tags

NGSS.HS-PS2-2

A marathon runner consumes foods with a high carbohydrate content before and during a race to prevent muscle fatigue. This practice, called carb loading, supports which of the following energy transformations within the runner’s body?

• chemical to thermal

• thermal to kinetic

• kinetic to thermal

• chemical to kinetic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

Determined whether the following equation is balanced or unbalanced. Ag + O_{2 --->} 2Ag₂O

• Balanced

• Unbalanced

Tags

NGSS.MS-PS1-5

Which coefficients would balance this chemical equation? _Fe₂O₃ ---> _Fe + _O₂

• 2,1,2

• 2,4,3

• 1,1,1

• 1,3,2

Tags

NGSS.MS-PS1-5

Which coefficients would balance this chemical equation? _K + _Cl₂ ---> _KCl

• 1,1,1

• 1,2,2

• 1,1,2

• 2,1,2

Tags

NGSS.MS-PS1-5

Based on the data in the table, what happens to the mechanical advantage of the pulley system as the load size increases?

• The mechanical advantage increases at a constant rate.

• The system’s mechanical advantage does not change.

• The pulley system multiplies the mechanical advantage.

• The mechanical advantage decreases at a constant rate.

Tags

NGSS.MS-ETS1-2

A 1-Newton load has a mass of 10 grams. According to the table, what is the maximum mass that can be lifted by the pulley system using an input force of 50 Newtons?

• 15 grams

• 50 grams

• 150 grams

• 1,500 grams

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS2-2