What is the function o a switch in circuit

4. Solid 'X' turns into a liquid at 80 0C and into a gas at 140 0C. Describe the changes in the particles of X when it is heated from . 85 0C to 145 0Cm the 0 is degree

1. The "Opportunity" rover that just landed on Mars transmitted music back to Earth. If the distance to Earth at the time was 9x107 km and radio waves (a kind of "light") travel with a speed of 3x108 m/s, how long did it take for the signal to reach

If a 400 N force is applied to a 10 kg object, how fast will it accelerate? a) 40 m/s2 b) 40000 m/s2 c) 4000 m/s2 d) 4 m/s2

One way that consumers can encourage the efficient use of energy by industries is to prevent boycotts of products produced by companies that are inefficient or wasteful in their energy use. Question 10 options: a) True b) False

How does and objects density determine whether the object will sink or float

Students will explain, distinguish the difference between the 4 states of matter

Name one way that a mixture can be separated

The Huka Falls on the Waikato River is one of New Zealand's most visited natural tourist attractions. On average, the river has a flow rate of about 300,000 L/s. At the gorge, the river narrows to 20-m wide and averages 20-m deep.

Name six processes that are often involved in scientific inquiry.

What happens to the ball's velocity while the ball is traveling upwards?