GRADE 5 SCIENCE REVISION DEC 2024

Which force is applied when brakes are used to stop a car?

• stopping force

• frictional force

• gravitational force

• air resistance

How can the friction between two surfaces be reduced? The friction can be reduced by.

• making the surfaces rough

• making the surfaces uneven

• making the surfaces lubricated

• making the surfaces steeper

What kind of force is an upthrust force?

• pushing force

• stopping force

• frictional force

• pulling force

A girl observed a man trying to push a rock along a road. Though the man was sweating heavily and he was pushing with all his might, the rock was not moving. Which is a LIKELY reason for the rock not moving?

• Gravity was pulling on the rock.

• There was friction between the man’s hand and the rock.

• No work was being done by the rock.

• No work was being done by the man’s pushing force.

Tags

NGSS.MS-PS2-2

Which energy source is CORRECTLY matched with its energy form?

• wind energy – chemical energy

• solar energy – heat energy

• wave energy – heat energy

• hydroelectric energy – chemical energy

Which appliance should be replaced with a more efficient appliance?

• air conditioner

• fan

• refrigerator

• television

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Which statement is TRUE about the flow of heat energy? Heat energy.

• does not flow; objects have their own heat

• flows, but only when there is no difference in temperature

• flows, but from a cold location to a warm location

• flows, but from a warm location to a cold location

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

In which situation would a conductor be useful? It would be useful when.

• someone wants to boil a pot of water quickly

• someone wants to remain warm on a cold night

• someone wants to keep water warm for a long time

• someone is holding a hot cup of soup in the hand

Tags

NGSS.MS-PS3-3

A student wanted to tell her classmates what energy is. What would you recommend she tell her classmates? Energy is.

• what is needed to move a desk forward

• what you see when a sandwich rests on a table

• when gravity causes a ball to fall to the ground

• the pressure you feel when you press your hand on a wall

Which provides the BEST reason for conserving energy? Conserving energy.

• increases the need to open windows so as to cool rooms down

• decreases global temperatures as more trees are available to make shade

• saves wild life habitat as only old trees are removed

• reduces carbon dioxide in the atmosphere as fossil fuel is used more wisely

Tags

NGSS.HS-ESS3-6

NGSS.HS-ETS1-3