2425 IA2 Practice Test

Front

How can you explain the motion of the graph?

Back

Experiencing acceleration

Tags

S8P3

Front

How does the mass of the objects affect inertia? ●

Back

Object 2 travels less than Object 3 because it has more inertia.

Tags

S8P3

Front

What is the bus doing in line segment A to B?

Back

Moving at a constant speed

Tags

S8P3

Front

What is the bus doing in line segment B to C?

Back

Not moving

Tags

S8P3

Front

How would you calculate Dash’s average speed?

Back

You can divide a set distance by the time it took him to move that distance.

Tags

S8P3

Front

Jon says balanced forces can cause an object to speed up, slow down, or change direction. Ira says unbalanced forces cause objects to stay in the same place or to continue moving at the same speed. Options: Jon and Ira are both correct, Jon forgot to add that forces can never change, They switched the descriptions of balanced and unbalanced forces, Ira should have said unbalanced forces can only causes objects to stay in the same place.

Back

They switched the descriptions of balanced and unbalanced forces

Tags

S8P3

Front

The picture shows the point on the spring scale when the sneaker began to move. The force of friction on the sneaker was less than ___ N. Because the pulling force had to be larger.Options: 6N, 7N, 9N, 10N

Back

10N

Tags

S8P2

Front

What type of heat transfer is moving the earth’s plates? Options: Radiation, Convection, Conduction

Back

Convection

Tags

S8P2

Front

What cannot happen to energy according to the law of conservation of energy?

Back

Energy cannot be created

Tags

S8P2

Front

Energy transfer in Liam's pocket: Hands at 20°C, pockets at 42°C.

Back

Thermal energy will flow from Liam’s pocket to his hands.

Tags

S8P2