Science Skills ACARA Y3

Which is a scientific question?

• What happens to the temperature of water when we leave it in the sun?

• Is the sun good or bad?

• The sun heats water.

• Does a solar oven work?

Which unit do scientists measure temperature in?

• °C or degrees Celsius

• cm or centimetres

• g or grams

• hot or cold

An ice cream is left outside on a sunny day. I predict in 30 minutes...

• it will remain the same.

• it will change colour.

• it will melt and become liquid.

• it will heat up and become gas.

Why did we wear these when visiting the lab?

• To look smarter.

• To make better observations.

• To protect our eyes from chemicals, heat or cold.

• To improve our sight.

A scientist might wear these insulated gloves when working with...

• Children.

• Very hot or cold materials.

• Rocks and minerals.

• Foods.

This sign suggests...

• This is a heat source.

• This is a camping area.

• This may be flammable and dangerous.

• This is a fun experiment.

Which is a scientific method to find out the temperature that water boils?

• Place your hand in a pot of water and put it on the stove.

• Ask mum to boil some water.

• Place a thermometer in a pot of water and heat on the stove.

• Make a cup of tea.

Which student has made a scientific observation?

• Tom: "The sun is hot because I saw it."

• Ben: "The things in the solar oven did stuff."

• Kim: "After 45 seconds, I noticed a pool of clear liquid."

• Mia: "The electricity in the heat conducted the insulator degrees."

Liam's class are investigating how long it takes ice to melt in the sun. He picks up his cube and holds it. He finishes first!

Was this a fair test?

• Yes. Liam is amazing at science.

• Yes. This was a clever solution and Liam won.

• No. This was dangerous.

• No. Liam changed a variable.

According to this graph, which is statement is true?

• Sydney is always hot.

• The sea temperature in Sydney was coldest in August.

• The sea temperature in Sydney was hottest in August.

• In February, the air temperature is always about 24 degrees.