Postal worker on a bicycle travels at an average speed of 4m/s for 3 minutes. Work out how far she travelled.

Which one of the above forms of em radiation does our body detect as heat?

Which of the following statements about electric field lines associated with electric charges is false? Electric field lines can be either straight or curved. Electric field lines can form closed loops.

How is acceleration calculated? -acceleration equals the change in velocity divided by time -acceleration equals distance divided by time -acceleration equals speed multiplied by time -acceleration equals velocity

A student is participating in the school science fair. She wants to investigate household cleaners. Which question can she best answer through scientific investigation? Which household cleaner is most effective at removing stains?

Tungsten is am element with 74 protons and 109 neutrons. What is tungsten's atomic number? how many does tungsten have?

What changes in the original atom are expected as a result of this natural phenomenon

What is a descriptions of an animal cell's nucleus?

What did Issac Newton think he could describe?

Which two states share the property of changing shape in different containers? A. Liquids and gases B. Gases and solids C. Solids and liquids D. Solids and plasmas

Which type of soil is the most permeable? A. sand B. silt C. loam D. clay