Know It All Friday - 8th Science - 12/4/20

Differences in the moon's and sun's pull on different sides of the Earth cause _________.

• gravity
• lunar phases
• tides
• dabbing

Tags

NGSS.1-ESS1-1

What is a difference between spring and neap tides?

• Spring tides occur when the earth and sun are IN LINE with the new or full moon. 
• Spring tides occur when moon in 3rd or 1st quarter phases
• Spring tides are LOWER than neap tides
• Spring tides occur in Spring and neap tides can occur in any season

Tags

NGSS.MS-ESS1-1

The force that pulls objects towards each other.

• gravity
• friction
• mass
• weight

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Two factors that affect gravity

• mass and distance
• types of surfaces and how hard they are pushed together
• force and distance
• mass and direction

Tags

NGSS.MS-PS2-4

Which of the following scenario shows a rolling friction?

• Alex stand still waiting for Simon.

• Ely and Raver are playing with their skateboard.

• Cynthia pushes the cart while they are buying at the supermarket.

• Peter pushes the box of chocolates towards the refrigerator.

As the distance between 2 objects increases, what happens to gravitational force?

• It increases.
• It decreases.
• It stays the same.
• Only Mr. Silvio knows what will happen.

Tags

NGSS.MS-PS2-5

The main reason a baseball comes down when a boy tosses it up into the air is —

• magnetism is pulling the ball down

• the boy cannot see to catch it

• gravity is pulling down on the ball

• gravity pushes the ball in the air

Tags

NGSS.MS-PS2-4

Movers slide a box down the ramp of a truck.
What helps slow the box as it slides to the bottom of the ramp?

• friction
• gravity
• inertia
• magnetism

Tags

NGSS.MS-PS2-2

How long will an object remain at rest, according to Newton's First Law of Motion?

• it can't rest
• until noon
• until an unbalanced force occurs
• as long as there are unbalanced forces acting on it 

Tags

NGSS.MS-PS2-2

For every _______ there is an equal and opposite ________. 

• reaction, action
• action, action
• reaction, reaction
• action, reaction

Tags

NGSS.MS-PS2-1