Science 3 PT Q2

What does it mean to observe during a science activity?

• To guess what will happen next

• To look carefully and notice details

• To write a story about the activity

• To talk to your friends about your favorite color

During a science activity, your teacher asks you to measure how much water there is in a cup. Which tool should you use?

• A. A ruler

• B. A thermometer

• C. A measuring cup

• D. A scale

In a science activity, your teacher asks you to find out which of three pencils is the longest. What should you do?

• Line up the pencils and guess which is longest

• Ask your friend which one looks longer

• Use a ruler to measure each pencil and write down the lengths

• Use a thermometer to check their temperature

You measured the height of a plant every day for one week. These are your results: Day 1: 3 cm Day 3: 5 cm Day 5: 7 cm Day 7: 9 cm What can you tell from these measurements?

• The plant is shrinking

• The plant is growing taller over time

• The plant gets shorter every day

• The plant grows only on rainy days

You are doing a science activity where you place a piece of chocolate in the sun and another in the shade. Before starting, you predict that the chocolate in the sun will melt faster. After the experiment, you see that it did. What should you do next?

• Say your prediction was lucky

• Say your prediction was correct and explain why

• Change your prediction to something different

• Ignore what happened and do a different experiment

Which of the following is a living thing you might find in your local environment?

• A. A rock

• B. A plastic bottle

• C. A tree

• D. A chair

Why is a cat considered a living thing, but a toy car is not?

• Because a toy car is more fun than a cat

• Because both are found in homes

• Because the cat is bigger than the toy car

• Because a cat can move, grow, and need food, but a toy car cannot

Which of these shows a living thing and a non-living thing?

• A. A bird and a tree

• B. A flower and a stone

• C. A bicycle and a car

• D. A cloud and rain

You go outside and see a dog, a rock, a tree, and a bicycle. Which of these would you group as living things?

• Rock and bicycle

• Dog and tree

• Bicycle and tree

• Dog and rock

You have a list of things found outside: a butterfly, a bicycle, a tree, and a puddle of water. Which two are living things, and what characteristics helped you decide?

• Butterfly and tree because they can grow and reproduce

• Bicycle and puddle because they move and change

• Butterfly and puddle because they need sunlight